GCC Code Coverage Report

Directory: ../
File: src/typechecker/TypeChecker.cpp
Date: 2025-02-05 01:09:36
Exec Total Coverage
Lines: 1557 1631 95.5%
Functions: 82 83 98.8%
Branches: 2516 4585 54.9%
Line Branch Exec Source
1 // Copyright (c) 2021-2025 ChilliBits. All rights reserved.
2
3 #include "TypeChecker.h"
4
5 #include <SourceFile.h>
6 #include <ast/ASTBuilder.h>
7 #include <ast/Attributes.h>
8 #include <global/GlobalResourceManager.h>
9 #include <symboltablebuilder/ScopeHandle.h>
10 #include <symboltablebuilder/SymbolTableBuilder.h>
11 #include <typechecker/MacroDefs.h>
12 #include <typechecker/TypeMatcher.h>
13
14 namespace spice::compiler {
15
16 2799 TypeChecker::TypeChecker(GlobalResourceManager &resourceManager, SourceFile *sourceFile, TypeCheckerMode typeCheckerMode)
17
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 2799 : CompilerPass(resourceManager, sourceFile), typeCheckerMode(typeCheckerMode), warnings(sourceFile->compilerOutput.warnings) {
18 2799 }
19
20 2300 std::any TypeChecker::visitEntry(EntryNode *node) {
21 // Initialize
22 2300 currentScope = rootScope;
23
24 // Initialize AST nodes with size of 1
25 2300 const bool isPrepare = typeCheckerMode == TC_MODE_PRE;
26
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 2300 if (isPrepare)
27 988 node->resizeToNumberOfManifestations(1);
28
29 // Visit children
30
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 2300 visitChildren(node);
31
32 // Check which implicit structures we need for each struct, defined in this source file
33
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 2256 if (isPrepare) {
34
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 974 const std::vector<const Struct *> manifestations = rootScope->getAllStructManifestationsInDeclarationOrder();
35
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 1554 for (const Struct *manifestation : manifestations) {
36 // Check if we need to create a default ctor, copy ctor or dtor
37
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 580 createDefaultCtorIfRequired(*manifestation, manifestation->scope);
38
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 580 createDefaultCopyCtorIfRequired(*manifestation, manifestation->scope);
39
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 580 createDefaultDtorIfRequired(*manifestation, manifestation->scope);
40 }
41 974 }
42
43
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 2256 return nullptr;
44 }
45
46 746 std::any TypeChecker::visitMainFctDef(MainFctDefNode *node) {
47
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 746 if (typeCheckerMode == TC_MODE_PRE)
48 354 return visitMainFctDefPrepare(node);
49 else
50 392 return visitMainFctDefCheck(node);
51 }
52
53 18593 std::any TypeChecker::visitFctDef(FctDefNode *node) {
54
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 18593 if (typeCheckerMode == TC_MODE_PRE)
55 6005 return visitFctDefPrepare(node);
56 else
57 12588 return visitFctDefCheck(node);
58 }
59
60 8961 std::any TypeChecker::visitProcDef(ProcDefNode *node) {
61
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 8961 if (typeCheckerMode == TC_MODE_PRE)
62 2950 return visitProcDefPrepare(node);
63 else
64 6011 return visitProcDefCheck(node);
65 }
66
67 1526 std::any TypeChecker::visitStructDef(StructDefNode *node) {
68
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 1526 if (typeCheckerMode == TC_MODE_PRE)
69 585 return visitStructDefPrepare(node);
70 else
71 941 return visitStructDefCheck(node);
72 }
73
74 161 std::any TypeChecker::visitInterfaceDef(InterfaceDefNode *node) {
75
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 161 if (typeCheckerMode == TC_MODE_PRE)
76 80 return visitInterfaceDefPrepare(node);
77
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 81 return nullptr;
78 }
79
80 184 std::any TypeChecker::visitEnumDef(EnumDefNode *node) {
81
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 184 if (typeCheckerMode == TC_MODE_PRE)
82 63 return visitEnumDefPrepare(node);
83
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 121 return nullptr;
84 }
85
86 2361 std::any TypeChecker::visitGenericTypeDef(GenericTypeDefNode *node) {
87
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 2361 if (typeCheckerMode == TC_MODE_PRE)
88 759 return visitGenericTypeDefPrepare(node);
89
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 1602 return nullptr;
90 }
91
92 121 std::any TypeChecker::visitAliasDef(AliasDefNode *node) {
93
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 121 if (typeCheckerMode == TC_MODE_PRE)
94 45 return visitAliasDefPrepare(node);
95
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 76 return nullptr;
96 }
97
98 1864 std::any TypeChecker::visitGlobalVarDef(GlobalVarDefNode *node) {
99
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 1864 if (typeCheckerMode == TC_MODE_PRE)
100 760 return visitGlobalVarDefPrepare(node);
101
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 1104 return nullptr;
102 }
103
104 2498 std::any TypeChecker::visitExtDecl(ExtDeclNode *node) {
105
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 2498 if (typeCheckerMode == TC_MODE_PRE)
106 851 return visitExtDeclPrepare(node);
107
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 1647 return nullptr;
108 }
109
110 1294 std::any TypeChecker::visitImportDef(ImportDefNode *node) {
111
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 1294 if (typeCheckerMode == TC_MODE_PRE)
112 466 return visitImportDefPrepare(node);
113
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 828 return nullptr;
114 }
115
116 2061 std::any TypeChecker::visitUnsafeBlock(UnsafeBlockNode *node) {
117 // Change to unsafe block body scope
118
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 2061 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::UNSAFE_BODY);
119
120 // Visit body
121
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 2061 visit(node->body);
122
123
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 4122 return nullptr;
124 2061 }
125
126 1168 std::any TypeChecker::visitForLoop(ForLoopNode *node) {
127 // Change to for body scope
128
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 1168 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::FOR_BODY);
129
130 // Visit loop variable declaration
131
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 1168 visit(node->initDecl);
132
133 // Visit condition
134
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 1168 const QualType conditionType = std::any_cast<ExprResult>(visit(node->condAssign)).type;
135
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 1168 HANDLE_UNRESOLVED_TYPE_PTR(conditionType)
136 // Check if condition evaluates to bool
137
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 1168 if (!conditionType.is(TY_BOOL))
138
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 3 SOFT_ERROR_ER(node->condAssign, CONDITION_MUST_BE_BOOL, "For loop condition must be of type bool")
139
140 // Visit incrementer
141
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 1167 visit(node->incAssign);
142
143 // Visit body
144
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 1167 visit(node->body);
145
146
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 1167 return nullptr;
147 1168 }
148
149 92 std::any TypeChecker::visitForeachLoop(ForeachLoopNode *node) {
150 // Visit iterator assignment
151 92 AssignExprNode *iteratorNode = node->iteratorAssign;
152
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 92 QualType iteratorOrIterableType = std::any_cast<ExprResult>(visit(iteratorNode)).type;
153
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 92 HANDLE_UNRESOLVED_TYPE_PTR(iteratorOrIterableType)
154
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 92 iteratorOrIterableType = iteratorOrIterableType.removeReferenceWrapper();
155
156 // Retrieve iterator type
157 92 QualType iteratorType = iteratorOrIterableType;
158
159
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 92 if (iteratorOrIterableType.isIterable(node)) {
160 73 const QualType &iterableType = iteratorOrIterableType;
161
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 73 if (iteratorOrIterableType.isArray()) { // Array
162
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 16 const NameRegistryEntry *nameRegistryEntry = sourceFile->getNameRegistryEntry(ARRAY_ITERATOR_NAME);
163
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 8 if (!nameRegistryEntry) {
164
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 1 softError(node, UNKNOWN_DATATYPE, "Forgot to import \"std/iterator/array-iterator\"?");
165
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 1 return nullptr;
166 }
167 7 nameRegistryEntry->targetEntry->used = nameRegistryEntry->importEntry->used = true;
168 7 Scope *matchScope = nameRegistryEntry->targetScope->parent;
169
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 7 assert(matchScope->type == ScopeType::GLOBAL);
170
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 7 QualType unsignedLongType(TY_LONG);
171
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 7 unsignedLongType.makeUnsigned(true);
172
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 14 const ArgList argTypes = {Arg(iterableType, false), Arg(unsignedLongType, false)};
173
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 7 const QualType thisType(TY_DYN);
174
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 21 node->getIteratorFct = FunctionManager::match(this, matchScope, "iterate", thisType, argTypes, {}, true, iteratorNode);
175 7 } else { // Struct, implementing Iterator interface
176
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 65 Scope *matchScope = iterableType.getBodyScope();
177
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 195 node->getIteratorFct = FunctionManager::match(this, matchScope, "getIterator", iterableType, {}, {}, true, iteratorNode);
178 }
179
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 72 if (node->getIteratorFct == nullptr)
180
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 3 throw SemanticError(iteratorNode, INVALID_ITERATOR, "No getIterator() function found for the given iterable type");
181
182 71 iteratorType = QualType(node->getIteratorFct->returnType);
183 // Create anonymous entry for the iterator
184
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 71 currentScope->symbolTable.insertAnonymous(iteratorType, iteratorNode);
185 }
186
187 // Change to foreach body scope
188
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 90 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::FOREACH_BODY);
189
190 // Check iterator type
191
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 90 if (!iteratorType.isIterator(node)) {
192 const std::string errMsg =
193 "Can only iterate over arrays or data structures, inheriting from IIterator or IIterable. You provided " +
194
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 1 iteratorType.getName(false);
195
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 1 softError(node->iteratorAssign, OPERATOR_WRONG_DATA_TYPE, errMsg);
196
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 1 return nullptr;
197 1 }
198
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 89 const QualTypeList &iteratorTemplateTypes = iteratorType.getTemplateTypes();
199
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 89 if (iteratorTemplateTypes.empty())
200
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 3 SOFT_ERROR_ER(node->iteratorAssign, INVALID_ITERATOR,
201 "Iterator has no generic arguments so that the item type could not be inferred")
202
203 88 const bool hasIdx = node->idxVarDecl;
204
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 88 if (hasIdx) {
205 // Visit index declaration or assignment
206
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 6 auto indexType = std::any_cast<QualType>(visit(node->idxVarDecl));
207
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 6 HANDLE_UNRESOLVED_TYPE_PTR(indexType)
208 // Check if index type is int
209
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 6 if (!indexType.is(TY_LONG))
210
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 1 SOFT_ERROR_ER(node->idxVarDecl, FOREACH_IDX_NOT_LONG,
211 "Index in foreach loop must be of type long. You provided " + indexType.getName(false))
212 }
213
214 // Retrieve .get(), .getIdx(), .isValid() and .next() functions
215
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 87 Scope *matchScope = iteratorType.getBodyScope();
216 87 QualType iteratorItemType;
217
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 87 if (hasIdx) {
218
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 15 node->getIdxFct = FunctionManager::match(this, matchScope, "getIdx", iteratorType, {}, {}, false, node);
219
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 5 assert(node->getIdxFct != nullptr);
220
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 5 iteratorItemType = node->getIdxFct->returnType.getTemplateTypes().back();
221 } else {
222
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 246 node->getFct = FunctionManager::match(this, matchScope, "get", iteratorType, {}, {}, false, node);
223
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 82 assert(node->getFct != nullptr);
224 82 iteratorItemType = node->getFct->returnType;
225 }
226
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 261 node->isValidFct = FunctionManager::match(this, matchScope, "isValid", iteratorType, {}, {}, false, node);
227
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 87 assert(node->isValidFct != nullptr);
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 261 node->nextFct = FunctionManager::match(this, matchScope, "next", iteratorType, {}, {}, false, node);
229
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 87 assert(node->nextFct != nullptr);
230
231 // Retrieve item variable entry
232
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 87 SymbolTableEntry *itemVarSymbol = currentScope->lookupStrict(node->itemVarDecl->varName);
233
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 87 assert(itemVarSymbol != nullptr);
234
235 // Check type of the item
236
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 87 auto itemType = std::any_cast<QualType>(visit(node->itemVarDecl));
237
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 87 HANDLE_UNRESOLVED_TYPE_PTR(itemType)
238
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 87 if (itemType.is(TY_DYN)) { // Perform type inference
239 // Update evaluated symbol type of the declaration data type
240
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 4 node->itemVarDecl->dataType->setEvaluatedSymbolType(iteratorItemType, manIdx);
241 // Update item type
242 4 itemType = iteratorItemType;
243 } else {
244 // Check item type
245 83 const ExprResult itemResult = {itemType, itemVarSymbol};
246 83 const ExprResult iteratorItemResult = {iteratorItemType, nullptr /* always a temporary */};
247
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 83 (void)opRuleManager.getAssignResultType(node->itemVarDecl, itemResult, iteratorItemResult, true, false, ERROR_FOREACH_ITEM);
248 }
249
250 // Update type of item
251
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 86 itemVarSymbol->updateType(itemType, true);
252
253 // Visit body
254
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 86 visit(node->body);
255
256
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 86 return nullptr;
257 90 }
258
259 650 std::any TypeChecker::visitWhileLoop(WhileLoopNode *node) {
260 // Change to while body scope
261
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 650 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::WHILE_BODY);
262
263 // Visit condition
264
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 650 const QualType conditionType = std::any_cast<ExprResult>(visit(node->condition)).type;
265
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 649 HANDLE_UNRESOLVED_TYPE_PTR(conditionType)
266 // Check if condition evaluates to bool
267
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 649 if (!conditionType.is(TY_BOOL))
268
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 3 SOFT_ERROR_ER(node->condition, CONDITION_MUST_BE_BOOL, "While loop condition must be of type bool")
269
270 // Visit body
271
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 648 visit(node->body);
272
273
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 648 return nullptr;
274 650 }
275
276 9 std::any TypeChecker::visitDoWhileLoop(DoWhileLoopNode *node) {
277 // Change to while body scope
278
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 9 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::WHILE_BODY);
279
280 // Visit body
281
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 9 visit(node->body);
282
283 // Visit condition
284
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 9 const QualType conditionType = std::any_cast<ExprResult>(visit(node->condition)).type;
285
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 9 HANDLE_UNRESOLVED_TYPE_PTR(conditionType)
286 // Check if condition evaluates to bool
287
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 9 if (!conditionType.is(TY_BOOL))
288
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 3 SOFT_ERROR_ER(node->condition, CONDITION_MUST_BE_BOOL, "Do-While loop condition must be of type bool")
289
290
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 8 return nullptr;
291 9 }
292
293 3785 std::any TypeChecker::visitIfStmt(IfStmtNode *node) {
294 // Change to then body scope
295
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 3785 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::IF_ELSE_BODY);
296
297 // Visit condition
298
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 3785 const QualType conditionType = std::any_cast<ExprResult>(visit(node->condition)).type;
299
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 3783 HANDLE_UNRESOLVED_TYPE_PTR(conditionType)
300 // Check if condition evaluates to bool
301
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 3782 if (!conditionType.is(TY_BOOL))
302
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 6 SOFT_ERROR_ER(node->condition, CONDITION_MUST_BE_BOOL, "If condition must be of type bool")
303
304 // Warning for bool assignment
305
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 3780 if (node->condition->op == AssignExprNode::AssignOp::OP_ASSIGN)
306
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 1 sourceFile->compilerOutput.warnings.emplace_back(node->condition->codeLoc, BOOL_ASSIGN_AS_CONDITION,
307 "If you want to compare the values, use '=='");
308
309 // Visit body
310
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 3780 visit(node->thenBody);
311
312 // Leave then body scope
313
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 3780 scopeHandle.leaveScopeEarly();
314
315 // Visit else statement if existing
316
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 3780 if (node->elseStmt)
317
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 146 visit(node->elseStmt);
318
319
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 3780 return nullptr;
320 3785 }
321
322 146 std::any TypeChecker::visitElseStmt(ElseStmtNode *node) {
323 // Visit if statement in the case of an else if branch
324
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 146 if (node->isElseIf) {
325
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 43 visit(node->ifStmt);
326
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 43 return nullptr;
327 }
328
329 // Change to else body scope
330
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 103 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::IF_ELSE_BODY);
331
332 // Visit body
333
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 103 visit(node->body);
334
335
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 103 return nullptr;
336 103 }
337
338 12 std::any TypeChecker::visitSwitchStmt(SwitchStmtNode *node) {
339 // Check expression type
340
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 12 const QualType exprType = std::any_cast<ExprResult>(visit(node->assignExpr)).type;
341
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 12 HANDLE_UNRESOLVED_TYPE_PTR(exprType)
342
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 12 if (!exprType.isOneOf({TY_INT, TY_SHORT, TY_LONG, TY_BYTE, TY_CHAR, TY_BOOL}))
343
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 3 SOFT_ERROR_ER(node->assignExpr, SWITCH_EXPR_MUST_BE_PRIMITIVE,
344 "Switch expression must be of int, short, long, byte, char or bool type")
345
346 // Visit children
347
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 11 visitChildren(node);
348
349 // Check if case constant types match switch expression type
350
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 62 for (const CaseBranchNode *caseBranchNode : node->caseBranches)
351
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 121 for (CaseConstantNode *constantNode : caseBranchNode->caseConstants) {
352
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 70 const QualType constantType = std::any_cast<ExprResult>(visit(constantNode)).type;
353
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 70 if (!constantType.matches(exprType, false, true, true))
354
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 6 SOFT_ERROR_ER(constantNode, SWITCH_CASE_TYPE_MISMATCH, "Case value type does not match the switch expression type")
355 }
356
357
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 9 return nullptr;
358 }
359
360 53 std::any TypeChecker::visitCaseBranch(CaseBranchNode *node) {
361 // Change to case body scope
362
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 53 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::CASE_BODY);
363
364 // Visit constant list
365
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 123 for (CaseConstantNode *constant : node->caseConstants)
366
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 70 visit(constant);
367
368 // Visit body
369
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 53 visit(node->body);
370
371
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 106 return nullptr;
372 53 }
373
374 6 std::any TypeChecker::visitDefaultBranch(DefaultBranchNode *node) {
375 // Change to default body scope
376
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 6 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::DEFAULT_BODY);
377
378 // Visit body
379
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 6 visit(node->body);
380
381
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 12 return nullptr;
382 6 }
383
384 27 std::any TypeChecker::visitAnonymousBlockStmt(AnonymousBlockStmtNode *node) {
385 // Change to anonymous scope body scope
386
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 27 ScopeHandle scopeHandle(this, node->getScopeId(), ScopeType::ANONYMOUS_BLOCK_BODY);
387
388 // Visit body
389
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 27 visit(node->body);
390
391
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 54 return nullptr;
392 27 }
393
394 16737 std::any TypeChecker::visitStmtLst(StmtLstNode *node) {
395 // Visit nodes in this scope
396
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 48875 for (StmtNode *stmt : node->statements) {
397
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 32169 if (!stmt)
398 ✗ continue;
399 // Print warning if statement is unreachable
400
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 32169 if (stmt->unreachable) {
401
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 7 warnings.emplace_back(stmt->codeLoc, UNREACHABLE_CODE, "This statement is unreachable");
402 7 continue;
403 }
404 // Visit the statement
405
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 32162 visit(stmt);
406 }
407
408 // Do cleanup of this scope, e.g. dtor calls for struct instances
409 16706 doScopeCleanup(node);
410
411
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 16706 return nullptr;
412 }
413
414 12982 std::any TypeChecker::visitParamLst(ParamLstNode *node) {
415 12982 NamedParamList namedParams;
416 12982 bool metOptional = false;
417
418
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 33258 for (DeclStmtNode *param : node->params) {
419 // Visit param
420
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 20276 const auto paramType = std::any_cast<QualType>(visit(param));
421
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 20276 if (paramType.is(TY_UNRESOLVED))
422 11 continue;
423
424 // Check if the type could be inferred. Dyn without a default value is forbidden
425
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 20274 if (paramType.is(TY_DYN)) {
426
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 3 softError(node, FCT_PARAM_IS_TYPE_DYN, "Type of parameter '" + param->varName + "' is invalid");
427 3 continue;
428 }
429
430 // Ensure that no optional param comes after a mandatory param
431
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 20271 if (param->hasAssignment) {
432 2158 metOptional = true;
433
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 18113 } else if (metOptional) {
434
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 6 softError(param, INVALID_PARAM_ORDER, "Mandatory parameters must go before any optional parameters");
435 6 continue;
436 }
437
438 // Add parameter to named param list
439
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 20265 namedParams.push_back({param->varName.c_str(), paramType, metOptional});
440 }
441
442
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 25964 return namedParams;
443 12982 }
444
445 1260 std::any TypeChecker::visitField(FieldNode *node) {
446
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 1260 auto fieldType = std::any_cast<QualType>(visit(node->dataType));
447
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 1260 HANDLE_UNRESOLVED_TYPE_QT(fieldType)
448
449
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 1259 if (TernaryExprNode *defaultValueNode = node->defaultValue) {
450
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 165 const QualType defaultValueType = std::any_cast<ExprResult>(visit(defaultValueNode)).type;
451
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 166 HANDLE_UNRESOLVED_TYPE_QT(defaultValueType)
452
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 165 if (!fieldType.matches(defaultValueType, false, true, true))
453
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 3 SOFT_ERROR_QT(node, FIELD_TYPE_NOT_MATCHING, "Type of the default values does not match the field type")
454 }
455
456
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 1258 return fieldType;
457 }
458
459 186 std::any TypeChecker::visitSignature(SignatureNode *node) {
460 186 const bool isFunction = node->signatureType == SignatureNode::SignatureType::TYPE_FUNCTION;
461
462 // Retrieve function template types
463 186 std::vector<GenericType> usedGenericTypes;
464
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 186 if (node->hasTemplateTypes) {
465
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 193 for (DataTypeNode *dataType : node->templateTypeLst->dataTypes) {
466 // Visit template type
467
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 97 auto templateType = std::any_cast<QualType>(visit(dataType));
468
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 97 if (templateType.is(TY_UNRESOLVED))
469 ✗ return static_cast<std::vector<Function *> *>(nullptr);
470 // Check if it is a generic type
471
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 97 if (!templateType.is(TY_GENERIC)) {
472
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 1 softError(dataType, EXPECTED_GENERIC_TYPE, "A template list can only contain generic types");
473
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 1 return static_cast<std::vector<Function *> *>(nullptr);
474 }
475 // Convert generic symbol type to generic type
476
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 96 const GenericType *genericType = rootScope->lookupGenericType(templateType.getSubType());
477
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 96 assert(genericType != nullptr);
478
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 96 usedGenericTypes.push_back(*genericType);
479 }
480 }
481
482 // Visit return type
483
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 185 QualType returnType(TY_DYN);
484
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 185 if (isFunction) {
485
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 144 returnType = std::any_cast<QualType>(visit(node->returnType));
486
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 144 if (returnType.is(TY_UNRESOLVED))
487 ✗ return static_cast<std::vector<Function *> *>(nullptr);
488
489
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 144 if (!returnType.isCoveredByGenericTypeList(usedGenericTypes))
490
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 2 softError(node->returnType, GENERIC_TYPE_NOT_IN_TEMPLATE,
491 "Generic return type not included in the template type list of the function");
492 }
493
494 // Visit params
495 185 QualTypeList paramTypes;
496 185 ParamList paramList;
497
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 185 if (node->hasParams) {
498
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 12 paramList.reserve(node->paramTypeLst->dataTypes.size());
499
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 26 for (DataTypeNode *param : node->paramTypeLst->dataTypes) {
500
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 14 auto paramType = std::any_cast<QualType>(visit(param));
501
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 14 if (paramType.is(TY_UNRESOLVED))
502 ✗ return static_cast<std::vector<Function *> *>(nullptr);
503
504 // Check if the type is present in the template for generic types
505
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 14 if (!paramType.isCoveredByGenericTypeList(usedGenericTypes)) {
506
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 2 softError(node->paramTypeLst, GENERIC_TYPE_NOT_IN_TEMPLATE,
507 "Generic param type not included in the template type list of the function");
508 2 continue;
509 }
510
511
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 12 paramTypes.push_back(paramType);
512
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 12 paramList.push_back({paramType, false});
513 }
514 }
515
516 // Build signature object
517
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 185 const Function signature(node->methodName, nullptr, QualType(TY_DYN), returnType, paramList, usedGenericTypes, node);
518
519 // Add signature to current scope
520
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 185 Function *manifestation = FunctionManager::insert(currentScope, signature, &node->signatureManifestations);
521 185 manifestation->entry = node->entry;
522 185 manifestation->used = true;
523
524 // Prepare signature type
525
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 185 const SuperType superType = isFunction ? TY_FUNCTION : TY_PROCEDURE;
526
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 185 QualType signatureType = QualType(superType).getWithFunctionParamAndReturnTypes(returnType, paramTypes);
527 185 signatureType.setQualifiers(node->signatureQualifiers);
528
529 // Set entry to signature type
530
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 185 assert(node->entry != nullptr);
531
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 185 node->entry->updateType(signatureType, false);
532 185 node->entry->used = true;
533
534
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 185 return &node->signatureManifestations;
535 186 }
536
537 26864 std::any TypeChecker::visitDeclStmt(DeclStmtNode *node) {
538 // Retrieve entry of the lhs variable
539
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 26864 SymbolTableEntry *localVarEntry = currentScope->lookupStrict(node->varName);
540
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 26864 assert(localVarEntry != nullptr);
541
542 26864 QualType localVarType;
543
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 26864 if (node->hasAssignment) {
544 // Visit the right side
545
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 8442 auto rhs = std::any_cast<ExprResult>(visit(node->assignExpr));
546 8437 auto [rhsTy, rhsEntry] = rhs;
547
548 // Visit data type
549
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 8437 localVarType = std::any_cast<QualType>(visit(node->dataType));
550
551 // Check if type has to be inferred or both types are fixed
552
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 8434 if (!localVarType.is(TY_UNRESOLVED) && !rhsTy.is(TY_UNRESOLVED)) {
553 8410 const ExprResult lhsResult = {localVarType, localVarEntry};
554
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 8410 const auto [type, copyCtor] = opRuleManager.getAssignResultType(node, lhsResult, rhs, true);
555 8400 localVarType = type;
556 8400 node->calledCopyCtor = copyCtor;
557
558 // If this is a struct type, check if the type is known. If not, error out
559
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 8400 if (localVarType.isBase(TY_STRUCT) && !sourceFile->getNameRegistryEntry(localVarType.getBase().getSubType())) {
560 ✗ const std::string structName = localVarType.getBase().getSubType();
561 ✗ softError(node->dataType, UNKNOWN_DATATYPE, "Unknown struct type '" + structName + "'. Forgot to import?");
562 ✗ localVarType = QualType(TY_UNRESOLVED);
563 ✗ }
564 } else {
565
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 24 localVarType = QualType(TY_UNRESOLVED);
566 }
567
568 // If there is an anonymous entry attached (e.g. for struct instantiation) and we take over ownership, delete it
569
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 8424 if (!localVarType.isRef() && rhsEntry != nullptr && rhsEntry->anonymous) {
570
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 840 currentScope->symbolTable.deleteAnonymous(rhsEntry->name);
571 840 rhs.entry = rhsEntry = nullptr;
572 }
573 } else {
574 // Visit data type
575
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 18422 localVarType = std::any_cast<QualType>(visit(node->dataType));
576
577 // References with no initialization are illegal
578
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 18422 if (localVarType.isRef() && !node->isFctParam && !node->isForEachItem)
579
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 2 softError(node, REFERENCE_WITHOUT_INITIALIZER, "References must always be initialized directly");
580
581 // If this is a struct, check for the default ctor
582
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 18422 if (localVarType.is(TY_STRUCT) && !node->isFctParam && !node->isForEachItem) {
583
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 143 Scope *matchScope = localVarType.getBodyScope();
584
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 143 assert(matchScope != nullptr);
585 // Check if we are required to call a ctor
586
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 143 const Struct *spiceStruct = localVarType.getStruct(node);
587
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 143 assert(spiceStruct != nullptr);
588
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 143 auto structDeclNode = spice_pointer_cast<StructDefNode *>(spiceStruct->declNode);
589
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 143 node->isCtorCallRequired = matchScope->hasRefFields() || structDeclNode->emitVTable;
590 // Check if we have a no-args ctor to call
591
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 143 const std::string &structName = localVarType.getSubType();
592 143 const QualType &thisType = localVarType;
593
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 429 node->calledInitCtor = FunctionManager::match(this, matchScope, CTOR_FUNCTION_NAME, thisType, {}, {}, false, node);
594
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 143 if (!node->calledInitCtor && node->isCtorCallRequired)
595
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 2 SOFT_ERROR_QT(node, MISSING_NO_ARGS_CTOR, "Struct '" + structName + "' misses a no-args constructor")
596 }
597 }
598
599 // Update the type of the variable
600
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 26844 localVarEntry->updateType(localVarType, true);
601
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 26844 node->entries.at(manIdx) = localVarEntry;
602
603 // Update the state of the variable
604
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 26844 localVarEntry->updateState(INITIALIZED, node);
605
606
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 26844 return localVarType;
607 }
608
609 140 std::any TypeChecker::visitCaseConstant(CaseConstantNode *node) {
610 // If we have a normal constant, we can take the symbol type from there
611
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 140 if (node->constant)
612 36 return visit(node->constant);
613
614 // Check if a local or global variable can be found by searching for the name
615
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 104 if (node->identifierFragments.size() == 1)
616 60 node->entry = currentScope->lookup(node->identifierFragments.back());
617
618 // If no local or global was found, search in the name registry
619
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 104 if (!node->entry) {
620 37 const NameRegistryEntry *registryEntry = sourceFile->getNameRegistryEntry(node->fqIdentifier);
621
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 37 if (!registryEntry)
622 ✗ SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_VARIABLE, "The variable '" + node->fqIdentifier + "' could not be found")
623 37 node->entry = registryEntry->targetEntry;
624 }
625
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 104 assert(node->entry != nullptr);
626
627 // Check for the correct type
628 104 const QualType &qualType = node->entry->getQualType();
629
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 104 if (!qualType.isOneOf({TY_INT, TY_SHORT, TY_LONG, TY_BYTE, TY_CHAR, TY_BOOL}))
630
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 6 SOFT_ERROR_ER(node, CASE_CONSTANT_INVALID_TYPE, "Case constants must be of type int, short, long, byte, char, bool or enum")
631
632
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 102 return ExprResult{node->setEvaluatedSymbolType(qualType, manIdx)};
633 }
634
635 7862 std::any TypeChecker::visitReturnStmt(ReturnStmtNode *node) {
636 // Retrieve return variable entry
637
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 23586 SymbolTableEntry *returnVar = currentScope->lookup(RETURN_VARIABLE_NAME);
638 7862 const bool isFunction = returnVar != nullptr;
639
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 7862 const QualType returnType = isFunction ? returnVar->getQualType() : QualType(TY_DYN);
640
641 // Check if procedure with return value
642
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 7862 if (!isFunction) {
643
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 46 if (node->hasReturnValue)
644
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 6 SOFT_ERROR_ER(node->assignExpr, RETURN_WITH_VALUE_IN_PROCEDURE, "Return with value in procedure is not allowed")
645
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 44 return nullptr;
646 }
647
648
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 7816 if (!node->hasReturnValue && !returnVar->getLifecycle().isInitialized())
649
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 6 SOFT_ERROR_QT(node, RETURN_WITHOUT_VALUE_RESULT, "Return without value, but result variable is not initialized yet")
650
651
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 7814 if (!node->hasReturnValue)
652
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 4 return nullptr;
653
654 // Visit right side
655
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 7810 const auto rhs = std::any_cast<ExprResult>(visit(node->assignExpr));
656
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 7810 HANDLE_UNRESOLVED_TYPE_QT(rhs.type)
657
658 // Check if types match
659 7810 const ExprResult returnResult = {returnType, returnVar};
660
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 7810 auto [_, copyCtor] = opRuleManager.getAssignResultType(node->assignExpr, returnResult, rhs, false, true, ERROR_MSG_RETURN);
661 7807 node->calledCopyCtor = copyCtor;
662
663 // Check if the dtor call on the return value can be skipped
664
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 7807 if (rhs.entry != nullptr) {
665
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 2417 if (rhs.entry->anonymous) {
666 // If there is an anonymous entry attached (e.g. for struct instantiation), delete it
667
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 1107 currentScope->symbolTable.deleteAnonymous(rhs.entry->name);
668 } else {
669 // Otherwise omit the destructor call, because the caller destructs the value
670 1310 rhs.entry->omitDtorCall = true;
671 }
672 }
673
674
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 7807 return node->returnType = returnType;
675 }
676
677 105 std::any TypeChecker::visitBreakStmt(BreakStmtNode *node) {
678 // Check if the stated number is valid
679
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 105 if (node->breakTimes < 1)
680
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 1 SOFT_ERROR_ER(node, INVALID_BREAK_NUMBER, "Break count must be >= 1, you provided " + std::to_string(node->breakTimes))
681
682 // Check if we can break this often
683 104 const unsigned int maxBreaks = currentScope->getLoopNestingDepth();
684
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 104 if (static_cast<unsigned int>(node->breakTimes) > maxBreaks)
685
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 1 SOFT_ERROR_ER(node, INVALID_BREAK_NUMBER, "We can only break " + std::to_string(maxBreaks) + " time(s) here")
686
687
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 103 return nullptr;
688 }
689
690 351 std::any TypeChecker::visitContinueStmt(ContinueStmtNode *node) {
691 // Check if the stated number is valid
692
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 351 if (node->continueTimes < 1)
693
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 1 SOFT_ERROR_ER(node, INVALID_CONTINUE_NUMBER,
694 "Continue count must be >= 1, you provided " + std::to_string(node->continueTimes))
695
696 // Check if we can continue this often
697 350 const unsigned int maxContinues = currentScope->getLoopNestingDepth();
698
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 350 if (static_cast<unsigned int>(node->continueTimes) > maxContinues)
699
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 1 SOFT_ERROR_ER(node, INVALID_CONTINUE_NUMBER, "We can only continue " + std::to_string(maxContinues) + " time(s) here")
700
701
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 349 return nullptr;
702 }
703
704 6 std::any TypeChecker::visitFallthroughStmt(FallthroughStmtNode *node) {
705 // Check if we can do a fallthrough here
706
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 6 if (!currentScope->isInCaseBranch())
707
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 6 SOFT_ERROR_ER(node, FALLTHROUGH_NOT_ALLOWED, "Fallthrough is only allowed in case branches")
708
709
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 4 return nullptr;
710 }
711
712 686 std::any TypeChecker::visitAssertStmt(AssertStmtNode *node) {
713 // Visit condition
714
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 686 const QualType conditionType = std::any_cast<ExprResult>(visit(node->assignExpr)).type;
715
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 686 HANDLE_UNRESOLVED_TYPE_ER(conditionType)
716
717 // Check if condition evaluates to bool
718
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 686 if (!conditionType.is(TY_BOOL))
719
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 3 SOFT_ERROR_ER(node->assignExpr, ASSERTION_CONDITION_BOOL, "The asserted condition must be of type bool")
720
721
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 685 return nullptr;
722 }
723
724 1454 std::any TypeChecker::visitBuiltinCall(BuiltinCallNode *node) {
725
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 1454 if (node->printfCall)
726 691 return visitPrintfCall(node->printfCall);
727
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 763 if (node->sizeofCall)
728 126 return visitSizeofCall(node->sizeofCall);
729
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 637 if (node->alignofCall)
730 11 return visitAlignofCall(node->alignofCall);
731
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 626 if (node->lenCall)
732 36 return visitLenCall(node->lenCall);
733
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 590 if (node->panicCall)
734 589 return visitPanicCall(node->panicCall);
735
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 1 if (node->sysCall)
736 1 return visitSysCall(node->sysCall);
737 ✗ assert_fail("Unknown builtin call");
738 return nullptr;
739 }
740
741 691 std::any TypeChecker::visitPrintfCall(PrintfCallNode *node) {
742 // Check if assignment types match placeholder types
743 691 size_t placeholderCount = 0;
744 691 size_t index = node->templatedString.find_first_of('%');
745
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 1243 while (index != std::string::npos && index != node->templatedString.size() - 1) {
746 // Check if there is another assignExpr
747
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 574 if (node->args.size() <= placeholderCount)
748
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 3 SOFT_ERROR_ER(node, PRINTF_ARG_COUNT_ERROR, "The placeholder string contains more placeholders than arguments")
749
750 // Get next assignment
751
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 573 AssignExprNode *assignment = node->args.at(placeholderCount);
752 // Visit assignment
753
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 573 QualType argType = std::any_cast<ExprResult>(visit(assignment)).type;
754
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 573 HANDLE_UNRESOLVED_TYPE_ER(argType)
755
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 558 argType = argType.removeReferenceWrapper();
756
757
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 558 switch (node->templatedString.at(index + 1)) {
758 15 case 'c': {
759
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 15 if (!argType.is(TY_CHAR))
760
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 1 SOFT_ERROR_ER(assignment, PRINTF_TYPE_ERROR, "The placeholder string expects char, but got " + argType.getName(false))
761 14 placeholderCount++;
762 14 break;
763 }
764 304 case 'd':
765 case 'i':
766 case 'l':
767 case 'o':
768 case 'u':
769 case 'x':
770 case 'X': {
771
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 304 if (!argType.isOneOf({TY_INT, TY_SHORT, TY_LONG, TY_BYTE, TY_BOOL}))
772
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 2 SOFT_ERROR_ER(assignment, PRINTF_TYPE_ERROR,
773 "The placeholder string expects int, short, long, byte or bool, but got " + argType.getName(false))
774 302 placeholderCount++;
775 302 break;
776 }
777 34 case 'a':
778 case 'A':
779 case 'f':
780 case 'F':
781 case 'e':
782 case 'E':
783 case 'g':
784 case 'G': {
785
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 34 if (!argType.is(TY_DOUBLE))
786
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 1 SOFT_ERROR_ER(assignment, PRINTF_TYPE_ERROR, "The placeholder string expects double, but got " + argType.getName(false))
787 33 placeholderCount++;
788 33 break;
789 }
790 200 case 's': {
791
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 200 if (!argType.is(TY_STRING) && !argType.isStringObj() && !argType.isPtrTo(TY_CHAR) && !argType.isArrayOf(TY_CHAR))
792
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 1 SOFT_ERROR_ER(assignment, PRINTF_TYPE_ERROR,
793 "The placeholder string expects string, String, char* or char[], but got " + argType.getName(false))
794 199 placeholderCount++;
795 199 break;
796 }
797 5 case 'p': {
798
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 5 if (!argType.isPtr() && !argType.isArray() && !argType.is(TY_STRING))
799
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 1 SOFT_ERROR_ER(assignment, PRINTF_TYPE_ERROR,
800 "The placeholder string expects pointer, array or string, but got " + argType.getName(false))
801 4 placeholderCount++;
802 4 break;
803 }
804 ✗ default:
805 ✗ SOFT_ERROR_ER(node, PRINTF_TYPE_ERROR, "The placeholder string contains an invalid placeholder")
806 }
807 552 index = node->templatedString.find_first_of('%', index + 2); // We can also skip the following char
808 }
809
810 // Check if the number of placeholders matches the number of args
811
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 669 if (placeholderCount < node->args.size())
812
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 3 SOFT_ERROR_ER(node, PRINTF_ARG_COUNT_ERROR, "The placeholder string contains less placeholders than arguments")
813
814
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 668 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_INT), manIdx)};
815 }
816
817 126 std::any TypeChecker::visitSizeofCall(SizeofCallNode *node) {
818
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 126 if (node->isType) { // Size of type
819
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 109 visit(node->dataType);
820 } else { // Size of value
821
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 17 visit(node->assignExpr);
822 }
823
824
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 126 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_LONG), manIdx)};
825 }
826
827 11 std::any TypeChecker::visitAlignofCall(AlignofCallNode *node) {
828
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 11 if (node->isType) { // Align of type
829
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 1 visit(node->dataType);
830 } else { // Align of value
831
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 10 visit(node->assignExpr);
832 }
833
834
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 11 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_LONG), manIdx)};
835 }
836
837 36 std::any TypeChecker::visitLenCall(LenCallNode *node) {
838
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 36 QualType argType = std::any_cast<ExprResult>(visit(node->assignExpr)).type;
839
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 36 HANDLE_UNRESOLVED_TYPE_ER(argType)
840
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 36 argType = argType.removeReferenceWrapper();
841
842 // Check if arg is of type array
843
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 36 if (!argType.isArray() && !argType.is(TY_STRING))
844
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 3 SOFT_ERROR_ER(node->assignExpr, EXPECTED_ARRAY_TYPE, "The len builtin can only work on arrays or strings")
845
846 // If we want to use the len builtin on a string, we need to import the string runtime module
847
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 58 if (argType.is(TY_STRING) && !sourceFile->isStringRT())
848
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 23 sourceFile->requestRuntimeModule(STRING_RT);
849
850
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 35 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_LONG), manIdx)};
851 }
852
853 589 std::any TypeChecker::visitPanicCall(PanicCallNode *node) {
854
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 589 QualType argType = std::any_cast<ExprResult>(visit(node->assignExpr)).type;
855
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 589 HANDLE_UNRESOLVED_TYPE_ER(argType)
856
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 589 argType = argType.removeReferenceWrapper();
857
858 // Check if arg is of type array
859
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 589 if (!argType.isErrorObj())
860 ✗ SOFT_ERROR_ER(node->assignExpr, EXPECTED_ERROR_TYPE, "The panic builtin can only work with errors")
861
862
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 589 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_DYN), manIdx)};
863 }
864
865 1 std::any TypeChecker::visitSysCall(SysCallNode *node) {
866 // Check if the syscall number if of type short
867
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 1 const QualType sysCallNumberType = std::any_cast<ExprResult>(visit(node->args.front())).type;
868
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 1 if (!sysCallNumberType.is(TY_SHORT))
869 ✗ SOFT_ERROR_ER(node->args.front(), INVALID_SYSCALL_NUMBER_TYPE, "Syscall number must be of type short")
870
871 // Check if the syscall number is out of range
872 // According to https://www.chromium.org/chromium-os/developer-library/reference/linux-constants/syscalls/
873
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 1 if (node->hasCompileTimeValue()) {
874 ✗ const unsigned short sysCallNumber = node->getCompileTimeValue().shortValue;
875 ✗ if (sysCallNumber < 0 || sysCallNumber > 439)
876 ✗ SOFT_ERROR_ER(node, SYSCALL_NUMBER_OUT_OF_RANGE, "Only syscall numbers between 0 and 439 are supported")
877 }
878
879 // Check if too many syscall args are given
880 // According to https://www.chromium.org/chromium-os/developer-library/reference/linux-constants/syscalls/
881
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 1 if (node->args.size() > 6)
882 ✗ SOFT_ERROR_ER(node->args.front(), TOO_MANY_SYSCALL_ARGS, "There are no syscalls that support more than 6 arguments")
883
884 // Visit children
885
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 4 for (size_t i = 1; i < node->args.size(); i++)
886
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 3 visit(node->args.at(i));
887
888
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 1 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_LONG), manIdx)};
889 }
890
891 60556 std::any TypeChecker::visitAssignExpr(AssignExprNode *node) {
892 // Check if ternary
893
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 60556 if (node->ternaryExpr) {
894
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 55130 auto result = std::any_cast<ExprResult>(visit(node->ternaryExpr));
895
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 55115 node->setEvaluatedSymbolType(result.type, manIdx);
896
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 55115 return result;
897 }
898
899 // Check if assignment
900
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 5426 if (node->op != AssignExprNode::AssignOp::OP_NONE) {
901 // Visit the right side first
902
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 5426 auto rhs = std::any_cast<ExprResult>(visit(node->rhs));
903 5426 auto [rhsType, rhsEntry] = rhs;
904
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 5426 HANDLE_UNRESOLVED_TYPE_ER(rhsType)
905 // Then visit the left side
906
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 5425 auto lhs = std::any_cast<ExprResult>(visit(node->lhs));
907 5425 auto [lhsType, lhsVar] = lhs;
908
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 5425 HANDLE_UNRESOLVED_TYPE_ER(lhsType)
909
910 // Take a look at the operator
911
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 5424 if (node->op == AssignExprNode::AssignOp::OP_ASSIGN) {
912
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 4860 const bool isDecl = lhs.entry != nullptr && lhs.entry->isField() && !lhs.entry->getLifecycle().isInitialized();
913
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 4860 rhsType = opRuleManager.getAssignResultType(node, lhs, rhs, isDecl).first;
914
915 // If there is an anonymous entry attached (e.g. for struct instantiation), delete it
916
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 4859 if (rhsEntry != nullptr && rhsEntry->anonymous) {
917
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 136 currentScope->symbolTable.deleteAnonymous(rhsEntry->name);
918 136 rhsEntry = nullptr;
919 }
920
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 564 } else if (node->op == AssignExprNode::AssignOp::OP_PLUS_EQUAL) {
921
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 227 rhsType = opRuleManager.getPlusEqualResultType(node, lhs, rhs, 0).type;
922
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 337 } else if (node->op == AssignExprNode::AssignOp::OP_MINUS_EQUAL) {
923
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 28 rhsType = opRuleManager.getMinusEqualResultType(node, lhs, rhs, 0).type;
924
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 309 } else if (node->op == AssignExprNode::AssignOp::OP_MUL_EQUAL) {
925
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 16 rhsType = opRuleManager.getMulEqualResultType(node, lhs, rhs, 0).type;
926
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 293 } else if (node->op == AssignExprNode::AssignOp::OP_DIV_EQUAL) {
927
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 36 rhsType = opRuleManager.getDivEqualResultType(node, lhs, rhs, 0).type;
928
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 257 } else if (node->op == AssignExprNode::AssignOp::OP_REM_EQUAL) {
929
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 6 rhsType = opRuleManager.getRemEqualResultType(node, lhs, rhs);
930
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 251 } else if (node->op == AssignExprNode::AssignOp::OP_SHL_EQUAL) {
931
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 2 rhsType = opRuleManager.getSHLEqualResultType(node, lhs, rhs);
932
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 249 } else if (node->op == AssignExprNode::AssignOp::OP_SHR_EQUAL) {
933
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 3 rhsType = opRuleManager.getSHREqualResultType(node, lhs, rhs);
934
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 246 } else if (node->op == AssignExprNode::AssignOp::OP_AND_EQUAL) {
935
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 1 rhsType = opRuleManager.getAndEqualResultType(node, lhs, rhs);
936
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 245 } else if (node->op == AssignExprNode::AssignOp::OP_OR_EQUAL) {
937
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 1 rhsType = opRuleManager.getOrEqualResultType(node, lhs, rhs);
938
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 244 } else if (node->op == AssignExprNode::AssignOp::OP_XOR_EQUAL) {
939
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 244 rhsType = opRuleManager.getXorEqualResultType(node, lhs, rhs);
940 }
941
942
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 5423 if (lhsVar) { // Variable is involved on the left side
943 // Perform type inference
944
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 5423 if (lhsType.is(TY_DYN))
945
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 1 lhsVar->updateType(rhsType, false);
946
947 // In case the lhs variable is captured, notify the capture about the write access
948
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 5423 if (Capture *lhsCapture = currentScope->symbolTable.lookupCapture(lhsVar->name); lhsCapture)
949
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 3 lhsCapture->setAccessType(READ_WRITE);
950
951 // Update the state of the variable
952
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 5423 lhsVar->updateState(INITIALIZED, node);
953 }
954
955
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 5423 return ExprResult{node->setEvaluatedSymbolType(rhsType, manIdx)};
956 }
957
958 − throw CompilerError(UNHANDLED_BRANCH, "AssignExpr fall-through"); // GCOV_EXCL_LINE
959 }
960
961 55718 std::any TypeChecker::visitTernaryExpr(TernaryExprNode *node) {
962 // Check if there is a ternary operator applied
963
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 55718 if (!node->falseExpr)
964
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 55391 return visit(node->condition);
965
966 // Visit condition
967
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 327 const auto condition = std::any_cast<ExprResult>(visit(node->condition));
968
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 327 HANDLE_UNRESOLVED_TYPE_ER(condition.type)
969
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 327 const auto trueExpr = node->isShortened ? condition : std::any_cast<ExprResult>(visit(node->trueExpr));
970 327 const auto [trueType, trueEntry] = trueExpr;
971
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 327 HANDLE_UNRESOLVED_TYPE_ER(trueType)
972
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 327 const auto falseExpr = std::any_cast<ExprResult>(visit(node->falseExpr));
973 327 const auto [falseType, falseEntry] = falseExpr;
974
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 327 HANDLE_UNRESOLVED_TYPE_ER(falseType)
975
976 // Check if the condition evaluates to bool
977
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 327 if (!condition.type.is(TY_BOOL))
978
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 3 SOFT_ERROR_ER(node->condition, OPERATOR_WRONG_DATA_TYPE, "Condition operand in ternary must be a bool")
979
980 // Check if trueType and falseType are matching
981
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 326 const QualType trueTypeModified = trueType.removeReferenceWrapper();
982
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 326 const QualType falseTypeModified = falseType.removeReferenceWrapper();
983
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 326 if (!trueTypeModified.matches(falseTypeModified, false, true, false))
984
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 1 SOFT_ERROR_ER(node, OPERATOR_WRONG_DATA_TYPE,
985 "True and false operands in ternary must be of same data type. Got " + trueType.getName(true) + " and " +
986 falseType.getName(true))
987
988 // If there is an anonymous symbol attached to left or right, remove it,
989 // since the result takes over the ownership of any destructible object.
990
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 325 const bool removeAnonymousSymbolTrueSide = trueEntry && trueEntry->anonymous;
991
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 325 if (removeAnonymousSymbolTrueSide) {
992
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 82 currentScope->symbolTable.deleteAnonymous(trueEntry->name);
993
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 243 } else if (trueEntry && !trueEntry->anonymous && !trueType.isRef() && !trueType.isTriviallyCopyable(node)) {
994 8 node->trueSideCallsCopyCtor = true;
995 }
996
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 325 const bool removeAnonymousSymbolFalseSide = falseEntry && falseEntry->anonymous;
997
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 325 if (removeAnonymousSymbolFalseSide) {
998
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 81 currentScope->symbolTable.deleteAnonymous(falseEntry->name);
999
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 244 } else if (falseEntry && !falseEntry->anonymous && !falseType.isRef() && !falseType.isTriviallyCopyable(node)) {
1000 8 node->falseSideCallsCopyCtor = true;
1001 }
1002
1003 // Create a new anonymous symbol for the result if required
1004 325 const QualType &resultType = trueType;
1005 325 SymbolTableEntry *anonymousSymbol = nullptr;
1006
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 325 const bool removedAnonymousSymbols = removeAnonymousSymbolTrueSide || removeAnonymousSymbolFalseSide;
1007
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 325 const bool calledCopyCtor = node->trueSideCallsCopyCtor || node->falseSideCallsCopyCtor;
1008
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 325 if (removedAnonymousSymbols || calledCopyCtor || resultType.isRef())
1009
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 98 anonymousSymbol = currentScope->symbolTable.insertAnonymous(resultType, node);
1010
1011 // Lookup copy ctor, if at least one side needs it
1012
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 325 if (node->trueSideCallsCopyCtor || node->falseSideCallsCopyCtor)
1013
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 10 node->calledCopyCtor = matchCopyCtor(trueTypeModified, node);
1014
1015
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 325 return ExprResult{node->setEvaluatedSymbolType(resultType, manIdx), anonymousSymbol};
1016 }
1017
1018 56371 std::any TypeChecker::visitLogicalOrExpr(LogicalOrExprNode *node) {
1019 // Check if a logical or operator is applied
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 56371 if (node->operands.size() == 1)
1021
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 55551 return visit(node->operands.front());
1022
1023 // Visit leftmost operand
1024
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 820 auto currentOperand = std::any_cast<ExprResult>(visit(node->operands[0]));
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 820 HANDLE_UNRESOLVED_TYPE_ER(currentOperand.type)
1026
1027 // Loop through all remaining operands
1028
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 1873 for (size_t i = 1; i < node->operands.size(); i++) {
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 1054 auto rhsOperand = std::any_cast<ExprResult>(visit(node->operands[i]));
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 1054 HANDLE_UNRESOLVED_TYPE_ER(rhsOperand.type)
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 1054 currentOperand = {OpRuleManager::getLogicalOrResultType(node, currentOperand, rhsOperand)};
1032 }
1033
1034
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 819 node->setEvaluatedSymbolType(currentOperand.type, manIdx);
1035
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 819 return currentOperand;
1036 }
1037
1038 57425 std::any TypeChecker::visitLogicalAndExpr(LogicalAndExprNode *node) {
1039 // Check if a logical and operator is applied
1040
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 57425 if (node->operands.size() == 1)
1041
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 57290 return visit(node->operands.front());
1042
1043 // Visit leftmost operand
1044
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 135 auto currentOperand = std::any_cast<ExprResult>(visit(node->operands[0]));
1045
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 135 HANDLE_UNRESOLVED_TYPE_ER(currentOperand.type)
1046
1047 // Loop through all remaining operands
1048
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 305 for (size_t i = 1; i < node->operands.size(); i++) {
1049
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 170 auto rhsOperand = std::any_cast<ExprResult>(visit(node->operands[i]));
1050
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 170 HANDLE_UNRESOLVED_TYPE_ER(rhsOperand.type)
1051
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 170 currentOperand = {OpRuleManager::getLogicalAndResultType(node, currentOperand, rhsOperand)};
1052 }
1053
1054
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 135 node->setEvaluatedSymbolType(currentOperand.type, manIdx);
1055
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 135 return currentOperand;
1056 }
1057
1058 57595 std::any TypeChecker::visitBitwiseOrExpr(BitwiseOrExprNode *node) {
1059 // Check if a bitwise or operator is applied
1060
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 57595 if (node->operands.size() == 1)
1061
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 57530 return visit(node->operands.front());
1062
1063 // Visit leftmost operand
1064
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 65 auto currentOperand = std::any_cast<ExprResult>(visit(node->operands[0]));
1065
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 65 HANDLE_UNRESOLVED_TYPE_ER(currentOperand.type)
1066
1067 // Loop through all remaining operands
1068
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 132 for (size_t i = 1; i < node->operands.size(); i++) {
1069
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 68 auto rhsOperand = std::any_cast<ExprResult>(visit(node->operands[i]));
1070
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 68 HANDLE_UNRESOLVED_TYPE_ER(rhsOperand.type)
1071
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 68 currentOperand = {OpRuleManager::getBitwiseOrResultType(node, currentOperand, rhsOperand)};
1072 }
1073
1074
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 64 node->setEvaluatedSymbolType(currentOperand.type, manIdx);
1075
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 64 return currentOperand;
1076 }
1077
1078 57663 std::any TypeChecker::visitBitwiseXorExpr(BitwiseXorExprNode *node) {
1079 // Check if a bitwise xor operator is applied
1080
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 57663 if (node->operands.size() == 1)
1081
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 57659 return visit(node->operands.front());
1082
1083 // Visit leftmost operand
1084
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 4 auto currentOperand = std::any_cast<ExprResult>(visit(node->operands[0]));
1085
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 4 HANDLE_UNRESOLVED_TYPE_ER(currentOperand.type)
1086
1087 // Loop through all remaining operands
1088
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 11 for (size_t i = 1; i < node->operands.size(); i++) {
1089
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 7 auto rhsOperand = std::any_cast<ExprResult>(visit(node->operands[i]));
1090
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 7 HANDLE_UNRESOLVED_TYPE_ER(rhsOperand.type)
1091
1/2
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 7 currentOperand = {OpRuleManager::getBitwiseXorResultType(node, currentOperand, rhsOperand)};
1092 }
1093
1094
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 4 node->setEvaluatedSymbolType(currentOperand.type, manIdx);
1095
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 4 return currentOperand;
1096 }
1097
1098 57670 std::any TypeChecker::visitBitwiseAndExpr(BitwiseAndExprNode *node) {
1099 // Check if a bitwise and operator is applied
1100
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 57670 if (node->operands.size() == 1)
1101
2/2
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✓ Branch 1 (5→46) taken 13 times.
 57640 return visit(node->operands.front());
1102
1103 // Visit leftmost operand
1104
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 30 auto currentOperand = std::any_cast<ExprResult>(visit(node->operands[0]));
1105
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 30 HANDLE_UNRESOLVED_TYPE_ER(currentOperand.type)
1106
1107 // Loop through all remaining operands
1108
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 63 for (size_t i = 1; i < node->operands.size(); i++) {
1109
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 33 auto rhsOperand = std::any_cast<ExprResult>(visit(node->operands[i]));
1110
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 33 HANDLE_UNRESOLVED_TYPE_ER(rhsOperand.type)
1111
1/2
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 33 currentOperand = {OpRuleManager::getBitwiseAndResultType(node, currentOperand, rhsOperand)};
1112 }
1113
1114
1/2
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 30 node->setEvaluatedSymbolType(currentOperand.type, manIdx);
1115
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 30 return currentOperand;
1116 }
1117
1118 57703 std::any TypeChecker::visitEqualityExpr(EqualityExprNode *node) {
1119 // Check if at least one equality operator is applied
1120
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 57703 if (node->operands.size() == 1)
1121
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✓ Branch 1 (5→73) taken 12 times.
 53076 return visit(node->operands.front());
1122
1123 // Visit right side first, then left side
1124
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 4627 const auto rhs = std::any_cast<ExprResult>(visit(node->operands[1]));
1125
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 4627 HANDLE_UNRESOLVED_TYPE_ER(rhs.type)
1126
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 4627 const auto lhs = std::any_cast<ExprResult>(visit(node->operands[0]));
1127
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 4627 HANDLE_UNRESOLVED_TYPE_ER(lhs.type)
1128
1129 // Check if we need the string runtime to perform a string comparison
1130
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 4739 if (lhs.type.is(TY_STRING) && rhs.type.is(TY_STRING) && !sourceFile->isStringRT())
1131
1/2
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 112 sourceFile->requestRuntimeModule(STRING_RT);
1132
1133 // Check operator
1134 4627 ExprResult result;
1135
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 4627 if (node->op == EqualityExprNode::EqualityOp::OP_EQUAL) // Operator was equal
1136
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 3249 result = opRuleManager.getEqualResultType(node, lhs, rhs, 0);
1137
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 1378 else if (node->op == EqualityExprNode::EqualityOp::OP_NOT_EQUAL) // Operator was not equal
1138
1/2
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 1378 result = opRuleManager.getNotEqualResultType(node, lhs, rhs, 0);
1139 else
1140 − throw CompilerError(UNHANDLED_BRANCH, "EqualityExpr fall-through"); // GCOV_EXCL_LINE
1141
1142
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 4626 node->setEvaluatedSymbolType(result.type, manIdx);
1143
1/2
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 4626 return result;
1144 }
1145
1146 62330 std::any TypeChecker::visitRelationalExpr(RelationalExprNode *node) {
1147 // Check if a relational operator is applied
1148
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 62330 if (node->operands.size() == 1)
1149
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✓ Branch 1 (5→75) taken 11 times.
 59171 return visit(node->operands.front());
1150
1151 // Visit right side first, then left side
1152
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 3159 const auto rhs = std::any_cast<ExprResult>(visit(node->operands[1]));
1153
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 3159 HANDLE_UNRESOLVED_TYPE_ER(rhs.type)
1154
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 3158 const auto lhs = std::any_cast<ExprResult>(visit(node->operands[0]));
1155
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 3158 HANDLE_UNRESOLVED_TYPE_ER(lhs.type)
1156
1157 // Check operator
1158 3158 QualType resultType;
1159
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 3158 if (node->op == RelationalExprNode::RelationalOp::OP_LESS) // Operator was less
1160
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 1616 resultType = OpRuleManager::getLessResultType(node, lhs, rhs);
1161
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 1542 else if (node->op == RelationalExprNode::RelationalOp::OP_GREATER) // Operator was greater
1162
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✓ Branch 1 (31→62) taken 1 times.
 388 resultType = OpRuleManager::getGreaterResultType(node, lhs, rhs);
1163
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 1154 else if (node->op == RelationalExprNode::RelationalOp::OP_LESS_EQUAL) // Operator was less equal
1164
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 344 resultType = OpRuleManager::getLessEqualResultType(node, lhs, rhs);
1165
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 810 else if (node->op == RelationalExprNode::RelationalOp::OP_GREATER_EQUAL) // Operator was greater equal
1166
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 810 resultType = OpRuleManager::getGreaterEqualResultType(node, lhs, rhs);
1167 else
1168 − throw CompilerError(UNHANDLED_BRANCH, "RelationalExpr fall-through"); // GCOV_EXCL_LINE
1169
1170
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 3157 return ExprResult{node->setEvaluatedSymbolType(resultType, manIdx)};
1171 }
1172
1173 65488 std::any TypeChecker::visitShiftExpr(ShiftExprNode *node) {
1174 // Check if at least one shift operator is applied
1175
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 65488 if (node->operands.size() == 1)
1176
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✓ Branch 1 (5→69) taken 11 times.
 65449 return visit(node->operands.front());
1177
1178 // Visit leftmost operand
1179
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 39 auto currentResult = std::any_cast<ExprResult>(visit(node->operands[0]));
1180
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 39 HANDLE_UNRESOLVED_TYPE_ER(currentResult.type)
1181
1182 // Loop through remaining operands
1183
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 102 for (size_t i = 0; i < node->opQueue.size(); i++) {
1184
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 63 auto operandResult = std::any_cast<ExprResult>(visit(node->operands[i + 1]));
1185
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 63 HANDLE_UNRESOLVED_TYPE_ER(operandResult.type)
1186
1187 // Check operator
1188 63 const ShiftExprNode::ShiftOp &op = node->opQueue.front().first;
1189
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 63 if (op == ShiftExprNode::ShiftOp::OP_SHIFT_LEFT)
1190
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 56 currentResult = opRuleManager.getShiftLeftResultType(node, currentResult, operandResult, i);
1191
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 7 else if (op == ShiftExprNode::ShiftOp::OP_SHIFT_RIGHT)
1192
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 7 currentResult = opRuleManager.getShiftRightResultType(node, currentResult, operandResult, i);
1193 else
1194 − throw CompilerError(UNHANDLED_BRANCH, "ShiftExpr fall-through"); // GCOV_EXCL_LINE
1195
1196 // Push the new item and pop the old one on the other side of the queue
1197
1/2
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 63 node->opQueue.emplace(op, currentResult.type);
1198 63 node->opQueue.pop();
1199 }
1200
1201
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 39 node->setEvaluatedSymbolType(currentResult.type, manIdx);
1202
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 39 return currentResult;
1203 }
1204
1205 65551 std::any TypeChecker::visitAdditiveExpr(AdditiveExprNode *node) {
1206 // Check if at least one additive operator is applied
1207
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 65551 if (node->operands.size() == 1)
1208
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✓ Branch 1 (5→69) taken 10 times.
 61890 return visit(node->operands.front());
1209
1210 // Visit leftmost operand
1211
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 3661 auto currentResult = std::any_cast<ExprResult>(visit(node->operands[0]));
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 3661 HANDLE_UNRESOLVED_TYPE_ER(currentResult.type)
1213
1214 // Loop through remaining operands
1215
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 7838 for (size_t i = 0; i < node->opQueue.size(); i++) {
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 4178 auto operandResult = std::any_cast<ExprResult>(visit(node->operands[i + 1]));
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 4178 HANDLE_UNRESOLVED_TYPE_ER(operandResult.type)
1218
1219 // Check operator
1220 4178 const AdditiveExprNode::AdditiveOp &op = node->opQueue.front().first;
1221
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 4178 if (op == AdditiveExprNode::AdditiveOp::OP_PLUS)
1222
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 2500 currentResult = opRuleManager.getPlusResultType(node, currentResult, operandResult, i);
1223
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 1678 else if (op == AdditiveExprNode::AdditiveOp::OP_MINUS)
1224
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 1678 currentResult = opRuleManager.getMinusResultType(node, currentResult, operandResult, i);
1225 else
1226 − throw CompilerError(UNHANDLED_BRANCH, "AdditiveExpr fall-through"); // GCOV_EXCL_LINE
1227
1228 // Push the new item and pop the old one on the other side of the queue
1229
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 4177 node->opQueue.emplace(op, currentResult.type);
1230 4177 node->opQueue.pop();
1231 }
1232
1233
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 3660 node->setEvaluatedSymbolType(currentResult.type, manIdx);
1234
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 3660 return currentResult;
1235 }
1236
1237 69729 std::any TypeChecker::visitMultiplicativeExpr(MultiplicativeExprNode *node) {
1238 // Check if at least one multiplicative operator is applied
1239
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 69729 if (node->operands.size() == 1)
1240
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 68836 return visit(node->operands.front());
1241
1242 // Visit leftmost operand
1243
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 893 auto currentResult = std::any_cast<ExprResult>(visit(node->operands[0]));
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 893 HANDLE_UNRESOLVED_TYPE_ER(currentResult.type)
1245 // Loop through remaining operands
1246
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 1809 for (size_t i = 0; i < node->opQueue.size(); i++) {
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 917 auto operandResult = std::any_cast<ExprResult>(visit(node->operands[i + 1]));
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 917 HANDLE_UNRESOLVED_TYPE_ER(operandResult.type)
1249
1250 // Check operator
1251 917 const MultiplicativeExprNode::MultiplicativeOp &op = node->opQueue.front().first;
1252
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 917 if (op == MultiplicativeExprNode::MultiplicativeOp::OP_MUL)
1253
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 691 currentResult = opRuleManager.getMulResultType(node, currentResult, operandResult, i);
1254
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 226 else if (op == MultiplicativeExprNode::MultiplicativeOp::OP_DIV)
1255
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 217 currentResult = opRuleManager.getDivResultType(node, currentResult, operandResult, i);
1256
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 9 else if (op == MultiplicativeExprNode::MultiplicativeOp::OP_REM)
1257
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 9 currentResult = OpRuleManager::getRemResultType(node, currentResult, operandResult);
1258 else
1259 − throw CompilerError(UNHANDLED_BRANCH, "Multiplicative fall-through"); // GCOV_EXCL_LINE
1260
1261 // Push the new item and pop the old one on the other side of the queue
1262
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 916 node->opQueue.emplace(op, currentResult.type);
1263 916 node->opQueue.pop();
1264 }
1265
1266
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 892 node->setEvaluatedSymbolType(currentResult.type, manIdx);
1267
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 892 return currentResult;
1268 }
1269
1270 70646 std::any TypeChecker::visitCastExpr(CastExprNode *node) {
1271 // Check if cast is applied
1272
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 70646 if (!node->isCast)
1273
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 67925 return visit(node->prefixUnaryExpr);
1274
1275 // Visit source type
1276
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 2721 const auto src = std::any_cast<ExprResult>(visit(node->prefixUnaryExpr));
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 2721 HANDLE_UNRESOLVED_TYPE_ER(src.type)
1278 // Visit destination type
1279
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 2721 const auto dstType = std::any_cast<QualType>(visit(node->dataType));
1280
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 2721 HANDLE_UNRESOLVED_TYPE_ER(dstType)
1281
1282 // Check for identity cast
1283
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 2721 if (src.type == dstType) {
1284
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 1190 const CompilerWarning warning(node->codeLoc, IDENTITY_CAST, "You cast from a type to itself. Thus, this can be simplified.");
1285
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 1190 sourceFile->compilerOutput.warnings.push_back(warning);
1286 1190 }
1287
1288 // Get result type
1289
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 2721 const QualType resultType = opRuleManager.getCastResultType(node, dstType, src);
1290
1291
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 2721 const bool typesMatch = dstType.matches(src.type, false, true, true);
1292
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 2721 const bool sameContainerType = src.type.isSameContainerTypeAs(dstType);
1293
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 2721 SymbolTableEntry *entry = typesMatch || sameContainerType ? src.entry : nullptr;
1294
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 2721 return ExprResult{node->setEvaluatedSymbolType(resultType, manIdx), entry};
1295 }
1296
1297 77012 std::any TypeChecker::visitPrefixUnaryExpr(PrefixUnaryExprNode *node) {
1298 // Reset access scope
1299 77012 accessScope = nullptr;
1300
1301 // If no operator is applied, simply visit the postfix unary expression
1302
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 77012 if (node->op == PrefixUnaryExprNode::PrefixUnaryOp::OP_NONE)
1303
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 76071 return visit(node->postfixUnaryExpr);
1304
1305 // Visit the right side
1306 941 PrefixUnaryExprNode *rhsNode = node->prefixUnaryExpr;
1307
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 941 auto operand = std::any_cast<ExprResult>(visit(rhsNode));
1308 941 auto [operandType, operandEntry] = operand;
1309
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 941 HANDLE_UNRESOLVED_TYPE_ER(operandType)
1310 // Determine action, based on the given operator
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 940 switch (node->op) {
1312 16 case PrefixUnaryExprNode::PrefixUnaryOp::OP_MINUS:
1313
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 16 operandType = OpRuleManager::getPrefixMinusResultType(node, operand);
1314 16 break;
1315 33 case PrefixUnaryExprNode::PrefixUnaryOp::OP_PLUS_PLUS:
1316
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 33 operandType = opRuleManager.getPrefixPlusPlusResultType(node, operand);
1317
1318
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 33 if (operandEntry) {
1319 // In case the lhs is captured, notify the capture about the write access
1320
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 30 if (Capture *lhsCapture = currentScope->symbolTable.lookupCapture(operandEntry->name); lhsCapture)
1321 ✗ lhsCapture->setAccessType(READ_WRITE);
1322
1323 // Update the state of the variable
1324
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 30 operandEntry->updateState(INITIALIZED, node);
1325 }
1326
1327 33 break;
1328 8 case PrefixUnaryExprNode::PrefixUnaryOp::OP_MINUS_MINUS:
1329
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 8 operandType = opRuleManager.getPrefixMinusMinusResultType(node, operand);
1330
1331
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 7 if (operandEntry) {
1332 // In case the lhs is captured, notify the capture about the write access
1333
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 4 if (Capture *lhsCapture = currentScope->symbolTable.lookupCapture(operandEntry->name); lhsCapture)
1334 ✗ lhsCapture->setAccessType(READ_WRITE);
1335
1336 // Update the state of the variable
1337
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 4 operandEntry->updateState(INITIALIZED, node);
1338 }
1339
1340 7 break;
1341 630 case PrefixUnaryExprNode::PrefixUnaryOp::OP_NOT:
1342
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 630 operandType = OpRuleManager::getPrefixNotResultType(node, operand);
1343 630 break;
1344 1 case PrefixUnaryExprNode::PrefixUnaryOp::OP_BITWISE_NOT:
1345
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 1 operandType = OpRuleManager::getPrefixBitwiseNotResultType(node, operand);
1346 1 break;
1347 173 case PrefixUnaryExprNode::PrefixUnaryOp::OP_DEREFERENCE:
1348
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 173 operandType = OpRuleManager::getPrefixMulResultType(node, operand);
1349 173 break;
1350 79 case PrefixUnaryExprNode::PrefixUnaryOp::OP_ADDRESS_OF:
1351
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 79 operandType = OpRuleManager::getPrefixBitwiseAndResultType(node, operand);
1352 79 break;
1353 ✗ default:
1354 − throw CompilerError(UNHANDLED_BRANCH, "PrefixUnaryExpr fall-through"); // GCOV_EXCL_LINE
1355 }
1356
1357
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 939 return ExprResult{node->setEvaluatedSymbolType(operandType, manIdx), operandEntry};
1358 }
1359
1360 95194 std::any TypeChecker::visitPostfixUnaryExpr(PostfixUnaryExprNode *node) {
1361 // If no operator is applied, simply visit the atomic expression
1362
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 95194 if (node->op == PostfixUnaryExprNode::PostfixUnaryOp::OP_NONE)
1363
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 76071 return visit(node->atomicExpr);
1364
1365 // Visit left side
1366 19123 PostfixUnaryExprNode *lhsNode = node->postfixUnaryExpr;
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 19123 auto operand = std::any_cast<ExprResult>(visit(lhsNode));
1368 19123 auto [operandType, operandEntry] = operand;
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 19123 HANDLE_UNRESOLVED_TYPE_ER(operandType)
1370
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 19117 switch (node->op) {
1372 2980 case PostfixUnaryExprNode::PostfixUnaryOp::OP_SUBSCRIPT: {
1373 // Visit index assignment
1374 2980 AssignExprNode *indexAssignExpr = node->subscriptIndexExpr;
1375
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 2980 const auto index = std::any_cast<ExprResult>(visit(indexAssignExpr));
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 2980 HANDLE_UNRESOLVED_TYPE_ER(index.type)
1377 // Check if the index is of the right type
1378
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 2980 if (!index.type.isOneOf({TY_INT, TY_LONG}))
1379
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 3 SOFT_ERROR_ER(node, ARRAY_INDEX_NOT_INT_OR_LONG, "Array index must be of type int or long")
1380
1381 // Check is there is an overloaded operator function available, if yes accept it
1382
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 2979 const auto [type, _] = opRuleManager.isOperatorOverloadingFctAvailable<2>(node, OP_FCT_SUBSCRIPT, {operand, index}, 0);
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 2979 if (!type.is(TY_INVALID)) {
1384 94 operandType = type;
1385 2978 break;
1386 }
1387
1388
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 2885 operandType = operandType.removeReferenceWrapper();
1389
1390 // Check if we can apply the subscript operator on the lhs type
1391
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 2885 if (!operandType.isOneOf({TY_ARRAY, TY_PTR, TY_STRING}))
1392 ✗ SOFT_ERROR_ER(node, OPERATOR_WRONG_DATA_TYPE,
1393 "Can only apply subscript operator on array type, got " + operandType.getName(true))
1394
1395 // Check if we have an unsafe operation
1396
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 2885 if (operandType.isPtr() && !currentScope->doesAllowUnsafeOperations())
1397 ✗ SOFT_ERROR_ER(
1398 node, UNSAFE_OPERATION_IN_SAFE_CONTEXT,
1399 "The subscript operator on pointers is an unsafe operation. Use unsafe blocks if you know what you are doing.")
1400
1401 // In case of compile time index value and known array size, perform a compile time out-of-bounds check
1402
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 2885 if (operandType.isArray() && operandType.getArraySize() != ARRAY_SIZE_UNKNOWN && indexAssignExpr->hasCompileTimeValue()) {
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 34 const int32_t constIndex = indexAssignExpr->getCompileTimeValue().intValue;
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 34 const unsigned int constSize = operandType.getArraySize();
1405 // Check if we are accessing out-of-bounds memory
1406
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✓ Branch 1 (80→96) taken 33 times.
 34 if (constIndex >= static_cast<int32_t>(constSize)) {
1407 1 const std::string idxStr = std::to_string(constIndex);
1408 1 const std::string sizeStr = std::to_string(constSize);
1409
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 1 SOFT_ERROR_ER(node, ARRAY_INDEX_OUT_OF_BOUNDS,
1410 "You are trying to access element with index " + idxStr + " of an array with size " + sizeStr)
1411 1 }
1412 }
1413
1414 // Get item type
1415
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 2884 operandType = operandType.getContained();
1416
1417 // Remove heap qualifier
1418 2884 operandType.getQualifiers().isHeap = false;
1419
1420 2884 break;
1421 }
1422 14200 case PostfixUnaryExprNode::PostfixUnaryOp::OP_MEMBER_ACCESS: {
1423 14200 const std::string &fieldName = node->identifier;
1424
1425 // Check if lhs is enum or strobj
1426 14200 QualType lhsBaseTy = operandType;
1427
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 14200 autoDeReference(lhsBaseTy);
1428
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 14200 if (!lhsBaseTy.is(TY_STRUCT))
1429
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 1 SOFT_ERROR_ER(node, INVALID_MEMBER_ACCESS, "Cannot apply member access operator on " + operandType.getName(false))
1430
1431 // Retrieve registry entry
1432
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 14199 const std::string &structName = lhsBaseTy.getSubType();
1433
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 14199 Scope *structScope = lhsBaseTy.getBodyScope();
1434
1435 // If we only have the generic struct scope, lookup the concrete manifestation scope
1436
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 14199 if (structScope->isGenericScope) {
1437 75 Scope *matchScope = structScope->parent;
1438
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 75 Struct *spiceStruct = StructManager::match(matchScope, structName, lhsBaseTy.getTemplateTypes(), node);
1439
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 75 assert(spiceStruct != nullptr);
1440 75 structScope = spiceStruct->scope;
1441 }
1442
1/2
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✓ Branch 1 (121→123) taken 14199 times.
 14199 assert(!structScope->isGenericScope); // At this point we always expect a substantiation scope
1443
1444 // Get accessed field
1445 14199 std::vector<size_t> indexPath;
1446
1/2
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 14199 SymbolTableEntry *memberEntry = structScope->symbolTable.lookupInComposedFields(fieldName, indexPath);
1447
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 14199 if (!memberEntry)
1448
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 2 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_VARIABLE, "Field '" + node->identifier + "' not found in struct " + structName)
1449
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 14197 const QualType memberType = memberEntry->getQualType();
1450
1451 // Check for insufficient visibility
1452
8/14
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 14197 if (structScope->isImportedBy(rootScope) && !memberEntry->getQualType().getBase().isPublic())
1453 ✗ SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Cannot access field '" + fieldName + "' due to its private visibility")
1454
1455 // Set field to used
1456 14197 memberEntry->used = true;
1457
1458 // Overwrite type and entry of left side with member type and entry
1459 14197 operandType = memberType;
1460 14197 operandEntry = memberEntry;
1461 14197 break;
1462
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 14199 }
1463 1570 case PostfixUnaryExprNode::PostfixUnaryOp::OP_PLUS_PLUS: {
1464
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✓ Branch 1 (160→289) taken 1 times.
 1570 operandType = opRuleManager.getPostfixPlusPlusResultType(node, operand, 0).type;
1465
1466
2/2
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✓ Branch 1 (161→167) taken 4 times.
 1569 if (operandEntry) {
1467 // In case the lhs is captured, notify the capture about the write access
1468
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 1565 if (Capture *lhsCapture = currentScope->symbolTable.lookupCapture(operandEntry->name); lhsCapture)
1469
1/2
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 4 lhsCapture->setAccessType(READ_WRITE);
1470
1471 // Update the state of the variable
1472
1/2
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✗ Branch 1 (165→290) not taken.
 1565 operandEntry->updateState(INITIALIZED, node);
1473 }
1474
1475 1569 break;
1476 }
1477 367 case PostfixUnaryExprNode::PostfixUnaryOp::OP_MINUS_MINUS: {
1478
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 367 operandType = opRuleManager.getPostfixMinusMinusResultType(node, operand, 0).type;
1479
1480
2/2
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✓ Branch 1 (169→175) taken 4 times.
 367 if (operandEntry) {
1481 // In case the lhs is captured, notify the capture about the write access
1482
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 363 if (Capture *lhsCapture = currentScope->symbolTable.lookupCapture(operandEntry->name); lhsCapture)
1483 ✗ lhsCapture->setAccessType(READ_WRITE);
1484
1485 // Update the state of the variable
1486
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 363 operandEntry->updateState(INITIALIZED, node);
1487 }
1488
1489 367 break;
1490 }
1491 ✗ default:
1492 − throw CompilerError(UNHANDLED_BRANCH, "PostfixUnaryExpr fall-through"); // GCOV_EXCL_LINE
1493 }
1494
1495
2/4
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 19111 if (operandType.is(TY_INVALID)) {
1496 ✗ const std::string varName = operandEntry ? operandEntry->name : "";
1497 ✗ SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_VARIABLE, "Variable '" + varName + "' was referenced before declared")
1498 ✗ }
1499
1500
2/4
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 19111 return ExprResult{node->setEvaluatedSymbolType(operandType, manIdx), operandEntry};
1501 }
1502
1503 76071 std::any TypeChecker::visitAtomicExpr(AtomicExprNode *node) {
1504 // Check if constant
1505
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✓ Branch 1 (2→5) taken 61319 times.
 76071 if (node->constant)
1506
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✗ Branch 1 (3→243) not taken.
 14752 return visit(node->constant);
1507
1508 // Check if value
1509
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✓ Branch 1 (5→8) taken 46647 times.
 61319 if (node->value)
1510
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✓ Branch 1 (6→243) taken 4 times.
 14672 return visit(node->value);
1511
1512 // Check for builtin calls
1513
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✓ Branch 1 (8→11) taken 45193 times.
 46647 if (node->builtinCall)
1514
1/2
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✗ Branch 1 (9→243) not taken.
 1454 return visit(node->builtinCall);
1515
1516 // Check for assign expression within parentheses
1517
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✓ Branch 1 (11→14) taken 44647 times.
 45193 if (node->assignExpr)
1518
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✓ Branch 1 (12→243) taken 3 times.
 546 return visit(node->assignExpr);
1519
1520 // Identifier (local or global variable access)
1521
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✓ Branch 1 (15→17) taken 44647 times.
 44647 assert(!node->fqIdentifier.empty());
1522
1/2
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✗ Branch 1 (17→19) not taken.
 44647 if (!accessScope)
1523 44647 accessScope = currentScope;
1524
1525 // Check if a local or global variable can be found by searching for the name
1526 44647 SymbolTableEntry *varEntry = nullptr;
1527
2/2
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✓ Branch 1 (20→26) taken 258 times.
 44647 if (node->identifierFragments.size() == 1)
1528 88778 varEntry = accessScope->lookup(node->identifierFragments.back());
1529
1530 // If no local or global was found, search in the name registry
1531
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 44647 if (!varEntry) {
1532
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 317 const NameRegistryEntry *registryEntry = sourceFile->getNameRegistryEntry(node->fqIdentifier);
1533
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 317 if (!registryEntry)
1534
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 1 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_VARIABLE, "The variable '" + node->fqIdentifier + "' could not be found")
1535 316 varEntry = registryEntry->targetEntry;
1536 316 accessScope = registryEntry->targetScope;
1537 }
1538
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 44646 assert(varEntry != nullptr);
1539
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 44646 assert(accessScope != nullptr);
1540
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 44646 AtomicExprNode::VarAccessData &data = node->data.at(manIdx);
1541
1/2
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 44646 data = {varEntry, accessScope, accessScope->symbolTable.lookupCapture(varEntry->name)};
1542
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 44646 const QualType varType = varEntry->getQualType();
1543
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 44646 HANDLE_UNRESOLVED_TYPE_ER(varType)
1544
1545
7/8
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 44638 if (varType.isOneOf({TY_FUNCTION, TY_PROCEDURE}) && varEntry->global) {
1546 // Check if overloaded function was referenced
1547
1/2
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 9 const std::vector<Function *> *manifestations = varEntry->declNode->getFctManifestations(varEntry->name);
1548
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 9 if (manifestations->size() > 1)
1549
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 3 SOFT_ERROR_ER(node, REFERENCED_OVERLOADED_FCT, "Overloaded functions / functions with optional params cannot be referenced")
1550
2/2
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 8 if (!manifestations->front()->templateTypes.empty())
1551
4/8
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 3 SOFT_ERROR_ER(node, REFERENCED_OVERLOADED_FCT, "Generic functions cannot be referenced")
1552 // Set referenced function to used
1553 7 Function *referencedFunction = manifestations->front();
1554 7 referencedFunction->used = true;
1555 7 referencedFunction->entry->used = true;
1556 }
1557
1558
3/4
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 44636 if (varType.is(TY_INVALID))
1559
5/10
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 2 SOFT_ERROR_ER(node, USED_BEFORE_DECLARED, "Symbol '" + varEntry->name + "' was used before declared.")
1560
1561 // The base type should be an extended primitive
1562
1/2
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 44634 const QualType baseType = varType.getBase();
1563
6/10
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 44634 if (!baseType.isExtendedPrimitive() && !baseType.is(TY_DYN))
1564 ✗ SOFT_ERROR_ER(node, INVALID_SYMBOL_ACCESS, "A symbol of type " + varType.getName(false) + " cannot be accessed here")
1565
1566 // Check if is an imported variable
1567
3/4
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✓ Branch 2 (117→118) taken 174 times.
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 44634 if (accessScope->isImportedBy(rootScope)) {
1568 // Check if the entry is public
1569
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✓ Branch 9 (124→134) taken 173 times.
 174 if (varEntry->scope->type != ScopeType::ENUM && !varEntry->getQualType().isPublic())
1570
5/10
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 1 SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Cannot access '" + varEntry->name + "' due to its private visibility")
1571 }
1572
1573 // Check if we have seen a 'this.' prefix, because the generator needs that
1574
6/8
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 44633 if (varEntry->scope->type == ScopeType::STRUCT && node->identifierFragments.front() != THIS_VARIABLE_NAME)
1575
5/10
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✗ Branch 9 (147→234) not taken.
 1 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_VARIABLE,
1576 "The symbol '" + node->fqIdentifier + "' could not be found. Missing 'this.' prefix?")
1577
1578 // Set symbol table entry to used
1579 44632 varEntry->used = true;
1580
1581 // Retrieve scope for the new scope path fragment
1582
3/4
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 44632 if (baseType.is(TY_STRUCT)) {
1583 // Set access scope to struct scope
1584
1/2
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 16065 const std::string &structName = baseType.getSubType();
1585
1/2
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 16065 const NameRegistryEntry *nameRegistryEntry = sourceFile->getNameRegistryEntry(structName);
1586
1/2
✗ Branch 0 (154→155) not taken.
✓ Branch 1 (154→156) taken 16065 times.
 16065 assert(nameRegistryEntry != nullptr);
1587
1588 // Change the access scope to the struct scope
1589 16065 data.accessScope = accessScope = nameRegistryEntry->targetScope;
1590
1591 // Check if the entry is public if it is imported
1592
1/2
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✓ Branch 1 (156→158) taken 16065 times.
 16065 assert(nameRegistryEntry->targetEntry != nullptr);
1593
9/12
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 16065 if (!nameRegistryEntry->targetEntry->getQualType().isPublic() && accessScope->parent->isImportedBy(rootScope))
1594
5/10
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 1 SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Cannot access struct '" + structName + "' due to its private visibility")
1595 }
1596
1597
2/4
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 44631 return ExprResult{node->setEvaluatedSymbolType(varType, manIdx), varEntry};
1598 }
1599
1600 14672 std::any TypeChecker::visitValue(ValueNode *node) {
1601 // Function call
1602
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 14672 if (node->fctCall)
1603 13136 return visit(node->fctCall);
1604
1605 // Array initialization
1606
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 1536 if (node->arrayInitialization)
1607 66 return visit(node->arrayInitialization);
1608
1609 // Struct instantiation
1610
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 1470 if (node->structInstantiation)
1611 283 return visit(node->structInstantiation);
1612
1613 // Lambda function
1614
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 1187 if (node->lambdaFunc)
1615 12 return visit(node->lambdaFunc);
1616
1617 // Lambda procedure
1618
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 1175 if (node->lambdaProc)
1619 28 return visit(node->lambdaProc);
1620
1621 // Lambda expression
1622
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 1147 if (node->lambdaExpr)
1623 1 return visit(node->lambdaExpr);
1624
1625 // Typed nil
1626
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 1146 if (node->isNil) {
1627
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 1146 const auto nilType = std::any_cast<QualType>(visit(node->nilType));
1628
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 1146 HANDLE_UNRESOLVED_TYPE_ER(nilType)
1629
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 1146 if (nilType.is(TY_DYN))
1630 ✗ SOFT_ERROR_ER(node->nilType, UNEXPECTED_DYN_TYPE, "Nil must have an explicit type")
1631
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 1146 return ExprResult{node->setEvaluatedSymbolType(nilType, manIdx)};
1632 }
1633
1634 − throw CompilerError(UNHANDLED_BRANCH, "Value fall-through"); // GCOV_EXCL_LINE
1635 }
1636
1637 17163 std::any TypeChecker::visitConstant(ConstantNode *node) {
1638 SuperType superType;
1639
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 17163 switch (node->type) {
1640 204 case ConstantNode::PrimitiveValueType::TYPE_DOUBLE:
1641 204 superType = TY_DOUBLE;
1642 204 break;
1643 3006 case ConstantNode::PrimitiveValueType::TYPE_INT:
1644 3006 superType = TY_INT;
1645 3006 break;
1646 200 case ConstantNode::PrimitiveValueType::TYPE_SHORT:
1647 200 superType = TY_SHORT;
1648 200 break;
1649 6558 case ConstantNode::PrimitiveValueType::TYPE_LONG:
1650 6558 superType = TY_LONG;
1651 6558 break;
1652 ✗ case ConstantNode::PrimitiveValueType::TYPE_BYTE:
1653 ✗ superType = TY_BYTE;
1654 ✗ break;
1655 2085 case ConstantNode::PrimitiveValueType::TYPE_CHAR:
1656 2085 superType = TY_CHAR;
1657 2085 break;
1658 2954 case ConstantNode::PrimitiveValueType::TYPE_STRING:
1659 2954 superType = TY_STRING;
1660 2954 break;
1661 2156 case ConstantNode::PrimitiveValueType::TYPE_BOOL:
1662 2156 superType = TY_BOOL;
1663 2156 break;
1664 − default: // GCOV_EXCL_LINE
1665 − throw CompilerError(UNHANDLED_BRANCH, "Constant fall-through"); // GCOV_EXCL_LINE
1666 }
1667
1668 // Create symbol type
1669
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 17163 QualType symbolType(superType);
1670
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 17163 symbolType.setQualifiers(TypeQualifiers::of(superType));
1671
1672
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 17163 return ExprResult{node->setEvaluatedSymbolType(symbolType, manIdx)};
1673 }
1674
1675 13136 std::any TypeChecker::visitFctCall(FctCallNode *node) {
1676
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 13136 FctCallNode::FctCallData &data = node->data.at(manIdx);
1677
1678 // Retrieve arg types
1679 13136 data.argResults.clear();
1680
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 13136 if (node->hasArgs) {
1681
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 10180 data.argResults.reserve(node->argLst->args.size());
1682
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 25837 for (AssignExprNode *arg : node->argLst->args) {
1683 // Visit argument
1684
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 15657 const auto argResult = std::any_cast<ExprResult>(visit(arg));
1685
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 15657 HANDLE_UNRESOLVED_TYPE_ER(argResult.type)
1686
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 15657 assert(!argResult.type.hasAnyGenericParts());
1687 // Save arg type to arg types list
1688
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 15657 data.argResults.push_back(argResult);
1689 }
1690 }
1691
1692 // Retrieve entry of the first fragment
1693 13136 const std::string &firstFrag = node->functionNameFragments.front();
1694
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 13136 SymbolTableEntry *firstFragEntry = currentScope->lookup(firstFrag);
1695
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 13136 if (firstFragEntry) {
1696 // Check if we have seen a 'this.' prefix, because the generator needs that
1697
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 8193 if (firstFragEntry->scope->type == ScopeType::STRUCT && firstFrag != THIS_VARIABLE_NAME)
1698
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 1 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_VARIABLE,
1699 "The symbol '" + firstFrag + "' could not be found. Missing 'this.' prefix?")
1700
1701 8192 firstFragEntry->used = true;
1702 // Decide of which type the function call is
1703
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 8192 const QualType &baseType = firstFragEntry->getQualType().getBase();
1704
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 8192 HANDLE_UNRESOLVED_TYPE_ER(baseType)
1705
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 8188 if (baseType.isOneOf({TY_STRUCT, TY_INTERFACE})) {
1706
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 6217 if (firstFragEntry->scope->type == ScopeType::GLOBAL)
1707 926 data.callType = FctCallNode::FctCallType::TYPE_CTOR;
1708 else
1709 5291 data.callType = FctCallNode::FctCallType::TYPE_METHOD;
1710
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 1971 } else if (baseType.isOneOf({TY_FUNCTION, TY_PROCEDURE}) && firstFragEntry->scope->type != ScopeType::GLOBAL) {
1711 48 data.callType = FctCallNode::FctCallType::TYPE_FCT_PTR;
1712 }
1713 }
1714
1715 // Get struct name. Retrieve it from alias if required
1716
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 13131 std::string fqFunctionName = node->fqFunctionName;
1717
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 13131 SymbolTableEntry *aliasEntry = rootScope->lookupStrict(fqFunctionName);
1718 13131 SymbolTableEntry *aliasedTypeContainerEntry = nullptr;
1719
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 13131 const bool isAliasType = aliasEntry && aliasEntry->getQualType().is(TY_ALIAS);
1720
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 13131 if (isAliasType) {
1721
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 2 aliasedTypeContainerEntry = rootScope->lookupStrict(aliasEntry->name + ALIAS_CONTAINER_SUFFIX);
1722
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 1 assert(aliasedTypeContainerEntry != nullptr);
1723 // Set alias entry used
1724 1 aliasEntry->used = true;
1725
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 1 fqFunctionName = aliasedTypeContainerEntry->getQualType().getSubType();
1726 }
1727
1728 // Get the concrete template types
1729 13131 QualTypeList concreteTemplateTypes;
1730
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 13131 if (isAliasType) {
1731 // Retrieve concrete template types from type alias
1732
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 1 concreteTemplateTypes = aliasedTypeContainerEntry->getQualType().getTemplateTypes();
1733 // Check if the aliased type specified template types and the struct instantiation does
1734
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 1 if (!concreteTemplateTypes.empty() && node->hasTemplateTypes)
1735 ✗ SOFT_ERROR_ER(node->templateTypeLst, ALIAS_WITH_TEMPLATE_LIST, "The aliased type already has a template list")
1736 }
1737
1738 // Get concrete template types
1739
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 13131 if (node->hasTemplateTypes) {
1740
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 1118 for (DataTypeNode *templateTypeNode : node->templateTypeLst->dataTypes) {
1741
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 601 auto templateType = std::any_cast<QualType>(visit(templateTypeNode));
1742
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 601 assert(!templateType.isOneOf({TY_DYN, TY_INVALID}));
1743
1744 // Abort if the type is unresolved
1745
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 601 if (templateType.is(TY_UNRESOLVED))
1746 ✗ HANDLE_UNRESOLVED_TYPE_ER(templateType)
1747
1748 // Check if the given type is generic
1749
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 601 if (templateType.is(TY_GENERIC))
1750 ✗ SOFT_ERROR_ER(templateTypeNode, EXPECTED_NON_GENERIC_TYPE, "You must specify a concrete type here")
1751
1752
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 601 concreteTemplateTypes.push_back(templateType);
1753 }
1754 }
1755
1756 // Check if this is a method call or a normal function call
1757
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 13131 if (data.isMethodCall()) {
1758 // This is a method call
1759
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 5291 data.thisType = firstFragEntry->getQualType();
1760
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 5291 Scope *structBodyScope = data.thisType.getBase().getBodyScope();
1761
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 5291 assert(structBodyScope != nullptr);
1762
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 5291 if (bool success = visitMethodCall(node, structBodyScope, concreteTemplateTypes); !success) // Check if soft errors occurred
1763
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 2 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_UNRESOLVED), manIdx)};
1764
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 5289 assert(data.calleeParentScope != nullptr);
1765
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 7840 } else if (data.isFctPtrCall()) {
1766 // This is a function pointer call
1767
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 48 const QualType &functionType = firstFragEntry->getQualType().getBase();
1768
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 48 assert(functionType.isOneOf({TY_FUNCTION, TY_PROCEDURE}));
1769
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 48 bool success = visitFctPtrCall(node, functionType);
1770
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 48 if (!success) // Check if soft errors occurred
1771 ✗ return ExprResult{node->setEvaluatedSymbolType(QualType(TY_UNRESOLVED), manIdx)};
1772 } else {
1773 // This is an ordinary function call
1774
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 7792 assert(data.isOrdinaryCall() || data.isCtorCall());
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 7794 bool success = visitOrdinaryFctCall(node, concreteTemplateTypes, fqFunctionName);
1776
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 7790 if (!success) // Check if soft errors occurred
1777
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 4 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_UNRESOLVED), manIdx)};
1778
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 7786 assert(data.calleeParentScope != nullptr);
1779
1780 // If the call is no ordinary call, it must be a constructor, which takes a struct as this type.
1781
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 7786 assert(data.isOrdinaryCall() || data.thisType.is(TY_STRUCT));
1782 }
1783
1784
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 13123 if (!data.isFctPtrCall()) {
1785 // Check if we were able to find a function
1786
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 13075 if (!data.callee) {
1787 // Build error message
1788
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 14 const std::string functionName = data.isCtorCall() ? CTOR_FUNCTION_NAME : node->functionNameFragments.back();
1789 12 ParamList errArgTypes;
1790
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 12 errArgTypes.reserve(data.argResults.size());
1791
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 19 for (const auto &[type, _] : data.argResults)
1792
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 7 errArgTypes.push_back({type, false});
1793
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 12 const std::string signature = Function::getSignature(functionName, data.thisType, QualType(TY_DYN), errArgTypes, {}, false);
1794 // Throw error
1795
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 12 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_FUNCTION, "Function/procedure '" + signature + "' could not be found")
1796 12 }
1797
1798 // Check if we need to request a re-visit, because the function body was not type-checked yet
1799 13063 requestRevisitIfRequired(data.callee);
1800
1801 // Get function entry from function object
1802 13063 SymbolTableEntry *functionEntry = data.callee->entry;
1803
1804 // Check if the called function has sufficient visibility
1805
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 13063 data.isImported = data.calleeParentScope->isImportedBy(rootScope);
1806
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 13063 if (data.isImported && !functionEntry->getQualType().isPublic()) {
1807
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 1 const QualType functionEntryType = functionEntry->getQualType();
1808
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 1 const std::string signature = data.callee->getSignature();
1809
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 1 if (functionEntryType.is(TY_FUNCTION))
1810
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 1 SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Function '" + signature + "' has insufficient visibility")
1811 else
1812 ✗ SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Procedure '" + signature + "' has insufficient visibility")
1813 1 }
1814 }
1815
1816 // Generate arg infos
1817
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 13110 if (node->hasArgs) {
1818 10168 QualTypeList paramTypes;
1819
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 10168 if (data.isFctPtrCall()) {
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 25 const QualType &functionType = firstFragEntry->getQualType().getBase();
1821
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 25 paramTypes = functionType.getFunctionParamTypes();
1822 } else {
1823
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 10143 assert(data.callee != nullptr);
1824
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 10143 paramTypes = data.callee->getParamTypes();
1825 }
1826
1827 10168 node->argLst->argInfos.clear();
1828
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 25810 for (size_t argIdx = 0; argIdx < data.argResults.size(); argIdx++) {
1829
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 15642 const QualType &expectedType = paramTypes.at(argIdx);
1830
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 15642 const auto &[actualType, entry] = data.argResults.at(argIdx);
1831
1832 15642 Function *copyCtor = nullptr;
1833
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 15642 if (expectedType.is(TY_STRUCT) && actualType.is(TY_STRUCT) && !actualType.isTriviallyCopyable(node)) {
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 22 copyCtor = matchCopyCtor(actualType, node);
1835
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 22 currentScope->symbolTable.insertAnonymous(actualType, node, argIdx + 1); // +1 because 0 is reserved for return value
1836 }
1837
1838
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 15642 node->argLst->argInfos.push_back(ArgLstNode::ArgInfo{copyCtor});
1839 }
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 10168 assert(node->argLst->argInfos.size() == node->argLst->args.size());
1841 10168 }
1842
1843 // Retrieve return type
1844
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 26172 const bool isFct = data.isFctPtrCall() ? firstFragEntry->getQualType().getBase().is(TY_FUNCTION) : data.callee->isFunction();
1845 13110 QualType returnType;
1846
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 13110 if (data.isFctPtrCall()) {
1847
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 48 returnType = isFct ? firstFragEntry->getQualType().getBase().getFunctionReturnType() : QualType(TY_BOOL);
1848
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 13062 } else if (data.isCtorCall()) {
1849 // Set return type to 'this' type
1850 2009 returnType = data.thisType;
1851
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 22106 } else if (data.callee->isProcedure()) {
1852 // Procedures always have the return type 'dyn'
1853
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 2592 returnType = QualType(TY_DYN);
1854 } else {
1855 8461 returnType = data.callee->returnType;
1856 }
1857
1858 // Initialize return type if required
1859 13110 SymbolTableEntry *anonymousSymbol = nullptr;
1860
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 13110 if (returnType.isBase(TY_STRUCT)) {
1861
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 3143 QualType returnBaseType = returnType.getBase();
1862
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 3143 const std::string &structName = returnBaseType.getSubType();
1863
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 3143 Scope *matchScope = returnBaseType.getBodyScope()->parent;
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 3143 assert(matchScope != nullptr);
1865
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 3143 Struct *spiceStruct = StructManager::match(matchScope, structName, returnBaseType.getTemplateTypes(), node);
1866
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 3143 if (!spiceStruct) {
1867 ✗ const std::string signature = Struct::getSignature(structName, returnBaseType.getTemplateTypes());
1868 ✗ SOFT_ERROR_ER(node, UNKNOWN_DATATYPE,
1869 "Could not find struct candidate for struct '" + signature + "'. Do the template types match?")
1870 ✗ }
1871
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 3143 returnType = returnType.getWithBodyScope(spiceStruct->scope).replaceBaseType(returnBaseType);
1872
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 3143 returnType = mapImportedScopeTypeToLocalType(returnType.getBase().getBodyScope(), returnType);
1873
1874 // Add anonymous symbol to keep track of de-allocation
1875
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 3143 if (returnType.is(TY_STRUCT))
1876
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 2730 anonymousSymbol = currentScope->symbolTable.insertAnonymous(returnType, node);
1877 }
1878
1879 // Remove public qualifier to not have public local variables
1880 13110 returnType.getQualifiers().isPublic = false;
1881
1882 // Check if the return value gets discarded
1883
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 13110 if (isFct && !node->hasReturnValueReceiver()) {
1884 // Check if we want to ignore the discarded return value
1885 141 bool ignoreUnusedReturnValue = false;
1886
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 141 if (!data.isFctPtrCall()) {
1887
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 138 assert(data.callee != nullptr);
1888
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 138 auto fctDef = dynamic_cast<const FctDefNode *>(data.callee->declNode);
1889
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 186 ignoreUnusedReturnValue = fctDef && fctDef->attrs && fctDef->attrs->attrLst->hasAttr(ATTR_IGNORE_UNUSED_RETURN_VALUE);
1890 }
1891
1892
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 141 if (!ignoreUnusedReturnValue)
1893
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 118 warnings.emplace_back(node->codeLoc, UNUSED_RETURN_VALUE, "The return value of the function call is unused");
1894 }
1895
1896
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 13110 return ExprResult{node->setEvaluatedSymbolType(returnType, manIdx), anonymousSymbol};
1897 13133 }
1898
1899 7792 bool TypeChecker::visitOrdinaryFctCall(FctCallNode *node, QualTypeList &templateTypes, std::string fqFunctionName) {
1900
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 7792 FctCallNode::FctCallData &data = node->data.at(manIdx);
1901
1902 // Check if this is a ctor call to the String type
1903
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 7792 if (node->functionNameFragments.size() == 1) {
1904
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 30920 for (const auto &[typeName, runtimeModule] : TYPE_NAME_TO_RT_MODULE_MAPPING)
1905
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 23190 if (fqFunctionName == typeName && !sourceFile->isRT(runtimeModule))
1906
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 771 sourceFile->requestRuntimeModule(runtimeModule);
1907
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 115950 for (const auto &[fctName, runtimeModule] : FCT_NAME_TO_RT_MODULE_MAPPING)
1908
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 108220 if (fqFunctionName == fctName && !sourceFile->isRT(runtimeModule))
1909
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 447 sourceFile->requestRuntimeModule(runtimeModule);
1910 }
1911
1912 // Check if the type is generic (possible in case of ctor call)
1913
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 7792 const QualType *genericType = rootScope->lookupGenericType(fqFunctionName);
1914
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 7792 if (genericType && typeMapping.contains(fqFunctionName)) {
1915
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 1 const QualType &replacementType = typeMapping.at(fqFunctionName);
1916
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 1 if (replacementType.is(TY_STRUCT))
1917
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 1 fqFunctionName = replacementType.getSubType();
1918 }
1919
1920 // Check if the exported name registry contains that function name
1921
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 7792 const NameRegistryEntry *functionRegistryEntry = sourceFile->getNameRegistryEntry(fqFunctionName);
1922
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 7792 if (!functionRegistryEntry) {
1923
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 3 const std::string msg = "Function/procedure/struct '" + node->functionNameFragments.back() + "' could not be found";
1924
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 3 SOFT_ERROR_BOOL(node, REFERENCED_UNDEFINED_FUNCTION, msg)
1925 3 }
1926 7789 const SymbolTableEntry *functionEntry = functionRegistryEntry->targetEntry;
1927 7789 data.calleeParentScope = functionRegistryEntry->targetScope;
1928
1929 // Check if the target symbol is a struct -> this must be a constructor call
1930
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 7789 if (functionEntry != nullptr && functionEntry->getQualType().is(TY_STRUCT))
1931 2012 data.callType = FctCallNode::FctCallType::TYPE_CTOR;
1932
1933 // For constructor calls, do some preparation
1934
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 7789 std::string functionName = node->functionNameFragments.back();
1935
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 7789 if (data.isCtorCall()) {
1936 2012 const NameRegistryEntry *structRegistryEntry = functionRegistryEntry;
1937 2012 const SymbolTableEntry *structEntry = functionEntry;
1938
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 2012 const std::string structName = structRegistryEntry->targetEntry->name;
1939
1940 // Substantiate potentially generic this struct
1941
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 2012 const Struct *thisStruct = StructManager::match(structEntry->scope, structName, templateTypes, node);
1942
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 2012 if (!thisStruct) {
1943
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 1 const std::string signature = Struct::getSignature(structName, templateTypes);
1944
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 1 SOFT_ERROR_BOOL(node, UNKNOWN_DATATYPE,
1945 "Could not find struct candidate for struct '" + signature + "'. Do the template types match?")
1946 1 }
1947
1948 // Override function name
1949
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 2011 functionName = CTOR_FUNCTION_NAME;
1950
1951 // Set the 'this' type of the function to the struct type
1952
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 2011 data.thisType = structEntry->getQualType().getWithBodyScope(thisStruct->scope);
1953 2011 data.calleeParentScope = thisStruct->scope;
1954
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 2012 }
1955
1956 // Attach the concrete template types to the 'this' type
1957
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 7788 if (!data.thisType.is(TY_DYN) && !templateTypes.empty())
1958
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 329 data.thisType = data.thisType.getWithTemplateTypes(templateTypes);
1959
1960 // Map local arg types to imported types
1961 7788 ArgList localArgs;
1962
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 7788 localArgs.reserve(data.argResults.size());
1963
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 19529 for (const ExprResult &argResult : data.argResults)
1964
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 11741 localArgs.emplace_back(mapLocalTypeToImportedScopeType(data.calleeParentScope, argResult.type), argResult.isTemporary());
1965
1966 // Map local template types to imported types
1967
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 8390 for (QualType &templateType : templateTypes)
1968
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 602 templateType = mapLocalTypeToImportedScopeType(data.calleeParentScope, templateType);
1969
1970 // Retrieve function object
1971 7788 Scope *matchScope = data.calleeParentScope;
1972
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 7788 data.callee = FunctionManager::match(this, matchScope, functionName, data.thisType, localArgs, templateTypes, false, node);
1973
1974 7786 return true;
1975 7791 }
1976
1977 48 bool TypeChecker::visitFctPtrCall(const FctCallNode *node, const QualType &functionType) const {
1978
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 48 const auto &[callType, isImported, thisType, argResults, callee, calleeParentScope] = node->data.at(manIdx);
1979
1980 // Check if the given argument types match the type
1981
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 48 const QualTypeList expectedArgTypes = functionType.getFunctionParamTypes();
1982
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 48 if (argResults.size() != expectedArgTypes.size())
1983 ✗ SOFT_ERROR_BOOL(node, REFERENCED_UNDEFINED_FUNCTION, "Expected and actual number of arguments do not match")
1984
1985 // Create resolver function, that always returns a nullptr
1986 48 TypeMatcher::ResolverFct resolverFct = [](const std::string &) { return nullptr; };
1987
1988
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 79 for (size_t i = 0; i < argResults.size(); i++) {
1989
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 31 const QualType &actualType = argResults.at(i).type;
1990
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 31 const QualType &expectedType = expectedArgTypes.at(i);
1991
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 31 if (TypeMapping tm; !TypeMatcher::matchRequestedToCandidateType(expectedType, actualType, tm, resolverFct, false))
1992
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 31 SOFT_ERROR_BOOL(node->argLst->args.at(i), REFERENCED_UNDEFINED_FUNCTION,
1993 "Expected " + expectedType.getName(false) + " but got " + actualType.getName(false))
1994 }
1995 48 return true;
1996 48 }
1997
1998 5291 bool TypeChecker::visitMethodCall(FctCallNode *node, Scope *structScope, QualTypeList &templateTypes) {
1999
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 5291 auto &[callType, isImported, thisType, argResults, callee, calleeParentScope] = node->data.at(manIdx);
2000
2001 // Traverse through structs - the first fragment is already looked up and the last one is the method name
2002
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 6002 for (size_t i = 1; i < node->functionNameFragments.size() - 1; i++) {
2003
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 713 const std::string &identifier = node->functionNameFragments.at(i);
2004
2005 // Retrieve field entry
2006 713 SymbolTableEntry *fieldEntry = structScope->lookupStrict(identifier);
2007
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 713 if (!fieldEntry) {
2008
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 1 std::stringstream errorMsg;
2009
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 1 errorMsg << "The type '";
2010
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 1 errorMsg << thisType.getBase().getName(false, true);
2011
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 1 errorMsg << "' does not have a member with the name '" << identifier << "'";
2012
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 1 SOFT_ERROR_BOOL(node, ACCESS_TO_NON_EXISTING_MEMBER, errorMsg.str())
2013 1 }
2014
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 712 if (!fieldEntry->getQualType().getBase().isOneOf({TY_STRUCT, TY_INTERFACE}))
2015
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 1 SOFT_ERROR_BOOL(node, INVALID_MEMBER_ACCESS,
2016 "Cannot call a method on '" + identifier + "', since it is no struct or interface")
2017 711 fieldEntry->used = true;
2018
2019 // Get struct type and scope
2020
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 711 thisType = fieldEntry->getQualType();
2021
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 711 structScope = thisType.getBase().getBodyScope();
2022
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 711 assert(structScope != nullptr);
2023 }
2024
2025
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 5289 if (thisType.is(TY_INTERFACE))
2026 ✗ SOFT_ERROR_BOOL(node, INVALID_MEMBER_ACCESS, "Cannot call a method on an interface")
2027
2028 // Map local arg types to imported types
2029 5289 Scope *matchScope = calleeParentScope = structScope;
2030 5289 ArgList localArgs;
2031
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 9168 for (const ExprResult &argResult : argResults)
2032
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 3879 localArgs.emplace_back(mapLocalTypeToImportedScopeType(calleeParentScope, argResult.type), argResult.isTemporary());
2033
2034 // Map local template types to imported types
2035
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 5289 for (QualType &templateType : templateTypes)
2036 ✗ templateType = mapLocalTypeToImportedScopeType(calleeParentScope, templateType);
2037
2038 // 'this' type
2039 5289 QualType localThisType = thisType;
2040
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 5289 autoDeReference(localThisType);
2041
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 5289 localThisType = mapLocalTypeToImportedScopeType(calleeParentScope, localThisType);
2042
2043 // Retrieve function object
2044 5289 const std::string &functionName = node->functionNameFragments.back();
2045
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 5289 callee = FunctionManager::match(this, matchScope, functionName, localThisType, localArgs, templateTypes, false, node);
2046
2047 5289 return true;
2048 5289 }
2049
2050 66 std::any TypeChecker::visitArrayInitialization(ArrayInitializationNode *node) {
2051
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 66 if (!node->itemLst || node->itemLst->args.empty())
2052
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 3 SOFT_ERROR_ER(node, ARRAY_SIZE_INVALID, "Array initializers must at least contain one value");
2053 65 node->actualSize = node->itemLst->args.size();
2054
2055
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 65 QualType actualItemType(TY_DYN);
2056 // Check if all values have the same type
2057
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 499 for (AssignExprNode *arg : node->itemLst->args) {
2058
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 435 const QualType itemType = std::any_cast<ExprResult>(visit(arg)).type;
2059
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 435 HANDLE_UNRESOLVED_TYPE_ER(itemType)
2060
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 435 if (actualItemType.is(TY_DYN)) // Perform type inference
2061 65 actualItemType = itemType;
2062
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 370 else if (itemType != actualItemType) // Check if types are matching
2063
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 1 SOFT_ERROR_ER(arg, ARRAY_ITEM_TYPE_NOT_MATCHING,
2064 "All provided values have to be of the same data type. You provided " + actualItemType.getName(false) +
2065 " and " + itemType.getName(false))
2066 }
2067
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 64 assert(!actualItemType.is(TY_DYN));
2068
2069
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 64 const QualType arrayType = actualItemType.toArr(node, node->actualSize, true);
2070
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 64 return ExprResult{node->setEvaluatedSymbolType(arrayType, manIdx)};
2071 }
2072
2073 283 std::any TypeChecker::visitStructInstantiation(StructInstantiationNode *node) {
2074 // Get struct name. Retrieve it from alias if required
2075
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 283 std::string structName = node->fqStructName;
2076
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 283 SymbolTableEntry *aliasEntry = rootScope->lookupStrict(structName);
2077 283 SymbolTableEntry *aliasedTypeContainerEntry = nullptr;
2078
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 283 const bool isAliasType = aliasEntry && aliasEntry->getQualType().is(TY_ALIAS);
2079
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 283 if (isAliasType) {
2080
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 2 aliasedTypeContainerEntry = rootScope->lookupStrict(aliasEntry->name + ALIAS_CONTAINER_SUFFIX);
2081
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 1 assert(aliasedTypeContainerEntry != nullptr);
2082 // Set alias entry used
2083 1 aliasEntry->used = true;
2084
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 1 structName = aliasedTypeContainerEntry->getQualType().getSubType();
2085 }
2086
2087 // Check if access scope was altered
2088
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 283 if (accessScope != nullptr && accessScope != currentScope)
2089 ✗ SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_STRUCT, "Cannot find struct '" + structName + "'")
2090
2091 // Retrieve struct
2092
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 283 const NameRegistryEntry *registryEntry = sourceFile->getNameRegistryEntry(structName);
2093
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 283 if (!registryEntry)
2094
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 1 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_STRUCT, "Cannot find struct '" + structName + "'")
2095
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 282 assert(registryEntry->targetEntry != nullptr && registryEntry->targetScope != nullptr);
2096 282 SymbolTableEntry *structEntry = registryEntry->targetEntry;
2097 282 Scope *structScope = accessScope = registryEntry->targetScope;
2098
2099 // Get struct type
2100
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 282 QualType structType = structEntry->getQualType();
2101
2102 // Get the concrete template types
2103 282 QualTypeList concreteTemplateTypes;
2104
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 282 if (isAliasType) {
2105 // Retrieve concrete template types from type alias
2106
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 1 concreteTemplateTypes = aliasedTypeContainerEntry->getQualType().getTemplateTypes();
2107 // Check if the aliased type specified template types and the struct instantiation does
2108
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 1 if (!concreteTemplateTypes.empty() && node->templateTypeLst)
2109 ✗ SOFT_ERROR_ER(node->templateTypeLst, ALIAS_WITH_TEMPLATE_LIST, "The aliased type already has a template list")
2110 }
2111
2112
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 282 if (node->templateTypeLst) {
2113
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 14 concreteTemplateTypes.reserve(node->templateTypeLst->dataTypes.size());
2114
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 35 for (DataTypeNode *dataType : node->templateTypeLst->dataTypes) {
2115
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 21 auto concreteType = std::any_cast<QualType>(visit(dataType));
2116
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 21 HANDLE_UNRESOLVED_TYPE_ER(concreteType)
2117 // Check if generic type
2118
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 21 if (concreteType.is(TY_GENERIC))
2119 ✗ SOFT_ERROR_ER(dataType, EXPECTED_NON_GENERIC_TYPE, "Struct instantiations may only take concrete template types")
2120
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 21 concreteTemplateTypes.push_back(concreteType);
2121 }
2122 }
2123
2124 // Get the struct instance
2125
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 282 structName = structEntry->name;
2126
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 282 Struct *spiceStruct = StructManager::match(structScope->parent, structName, concreteTemplateTypes, node);
2127
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 282 if (!spiceStruct) {
2128 ✗ const std::string structSignature = Struct::getSignature(structName, concreteTemplateTypes);
2129 ✗ SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_STRUCT, "Struct '" + structSignature + "' could not be found")
2130 ✗ }
2131
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 282 node->instantiatedStructs.at(manIdx) = spiceStruct;
2132
2133 // Struct instantiation for an inheriting struct is forbidden, because the vtable needs to be initialized and this is done in
2134 // the ctor of the struct, which is never called in case of struct instantiation
2135
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 282 if (!spiceStruct->interfaceTypes.empty())
2136
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 3 SOFT_ERROR_ER(node, INVALID_STRUCT_INSTANTIATION, "Struct instantiations for inheriting structs are forbidden")
2137
2138 // Use scope of concrete substantiation and not the scope of the generic type
2139 281 structScope = spiceStruct->scope;
2140
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 281 structType = structType.getWithBodyScope(structScope);
2141
2142 // Set template types to the struct
2143 281 QualTypeList templateTypes;
2144
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 303 for (const GenericType &genericType : spiceStruct->templateTypes)
2145
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 22 templateTypes.emplace_back(genericType);
2146
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 281 structType = structType.getWithTemplateTypes(templateTypes);
2147
2148 // Check if the number of fields matches
2149
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 281 if (node->fieldLst) { // Check if any fields are passed. Empty braces are also allowed
2150
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 267 if (spiceStruct->fieldTypes.size() != node->fieldLst->args.size())
2151
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 3 SOFT_ERROR_ER(node->fieldLst, NUMBER_OF_FIELDS_NOT_MATCHING,
2152 "You've passed too less/many field values. Pass either none or all of them")
2153
2154 // Check if the field types are matching
2155 266 const size_t fieldCount = spiceStruct->fieldTypes.size();
2156
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 266 const size_t explicitFieldsStartIdx = structScope->getFieldCount() - fieldCount;
2157
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 651 for (size_t i = 0; i < node->fieldLst->args.size(); i++) {
2158 // Get actual type
2159
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 386 AssignExprNode *assignExpr = node->fieldLst->args.at(i);
2160
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 386 auto fieldResult = std::any_cast<ExprResult>(visit(assignExpr));
2161
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 386 HANDLE_UNRESOLVED_TYPE_ER(fieldResult.type)
2162 // Get expected type
2163
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 386 SymbolTableEntry *expectedField = structScope->lookupField(explicitFieldsStartIdx + i);
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 386 assert(expectedField != nullptr);
2165
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 386 const ExprResult expected = {expectedField->getQualType(), expectedField};
2166
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 386 const bool rhsIsImmediate = assignExpr->hasCompileTimeValue();
2167
2168 // Check if actual type matches expected type
2169
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 386 (void)opRuleManager.getFieldAssignResultType(assignExpr, expected, fieldResult, rhsIsImmediate, true);
2170
2171 // If there is an anonymous entry attached (e.g. for struct instantiation), delete it
2172
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 385 if (fieldResult.entry != nullptr && fieldResult.entry->anonymous) {
2173
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 3 currentScope->symbolTable.deleteAnonymous(fieldResult.entry->name);
2174 3 fieldResult.entry = nullptr;
2175 }
2176 }
2177 } else {
2178
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 57 for (QualType &fieldType : spiceStruct->fieldTypes) {
2179
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 43 if (fieldType.isRef())
2180 ✗ SOFT_ERROR_ER(node, REFERENCE_WITHOUT_INITIALIZER,
2181 "The struct takes at least one reference field. You need to instantiate it with all fields.")
2182 }
2183 }
2184
2185 // Update type of struct entry
2186
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 279 structEntry->updateType(structType, true);
2187
2188 // If not all values are constant, insert anonymous symbol to keep track of dtor calls for de-allocation
2189 279 SymbolTableEntry *anonymousEntry = nullptr;
2190
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 279 if (node->fieldLst != nullptr)
2191
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 599 if (std::ranges::any_of(node->fieldLst->args, [](const AssignExprNode *field) { return !field->hasCompileTimeValue(); }))
2192
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 234 anonymousEntry = currentScope->symbolTable.insertAnonymous(structType, node);
2193
2194 // Remove public qualifier to not have public local variables
2195 279 structType.getQualifiers().isPublic = false;
2196
2197
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 279 return ExprResult{node->setEvaluatedSymbolType(structType, manIdx), anonymousEntry};
2198 285 }
2199
2200 12 std::any TypeChecker::visitLambdaFunc(LambdaFuncNode *node) {
2201 // Check if all control paths in the lambda body return
2202 12 bool returnsOnAllControlPaths = true;
2203
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 12 if (!node->returnsOnAllControlPaths(&returnsOnAllControlPaths))
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 3 SOFT_ERROR_ER(node, MISSING_RETURN_STMT, "Not all control paths of this lambda function have a return statement")
2205
2206 // Change to function scope
2207
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 11 Scope *bodyScope = currentScope->getChildScope(node->getScopeId());
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 11 ScopeHandle scopeHandle(this, bodyScope, ScopeType::LAMBDA_BODY);
2209
2210 // Visit return type
2211
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 11 const auto returnType = std::any_cast<QualType>(visit(node->returnType));
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 11 HANDLE_UNRESOLVED_TYPE_ER(returnType)
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 11 if (returnType.is(TY_DYN))
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 3 SOFT_ERROR_ER(node, UNEXPECTED_DYN_TYPE, "Dyn return types are not allowed")
2215
2216 // Set the type of the result variable
2217
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 30 SymbolTableEntry *resultVarEntry = currentScope->lookupStrict(RETURN_VARIABLE_NAME);
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 10 assert(resultVarEntry != nullptr);
2219
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 10 resultVarEntry->updateType(returnType, true);
2220 10 resultVarEntry->used = true;
2221
2222 // Visit parameters
2223 10 QualTypeList paramTypes;
2224 10 ParamList paramList;
2225
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 10 if (node->hasParams) {
2226 // Visit param list to retrieve the param names
2227
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 6 auto namedParamList = std::any_cast<NamedParamList>(visit(node->paramLst));
2228
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 16 for (const auto &[name, qualType, isOptional] : namedParamList) {
2229
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 10 if (isOptional)
2230 ✗ softError(node, LAMBDA_WITH_OPTIONAL_PARAMS, "Lambdas cannot have optional parameters");
2231
2232
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 10 paramTypes.push_back(qualType);
2233
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 10 paramList.push_back({qualType, isOptional});
2234 }
2235 6 }
2236
2237 // Visit lambda body
2238
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 10 visit(node->body);
2239
2240 // Leave function body scope
2241
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 9 scopeHandle.leaveScopeEarly();
2242
2243 // Prepare type of function
2244
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 9 const QualType functionType = QualType(TY_FUNCTION)
2245
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 9 .getWithFunctionParamAndReturnTypes(returnType, paramTypes)
2246
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 9 .getWithLambdaCaptures(!bodyScope->symbolTable.captures.empty());
2247
2248 // Create function object
2249
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 9 const std::string fctName = "lambda." + node->codeLoc.toPrettyLineAndColumn();
2250
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 9 node->manifestations.at(manIdx) = Function(fctName, nullptr, QualType(TY_DYN), returnType, paramList, {}, node);
2251
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 9 node->manifestations.at(manIdx).bodyScope = bodyScope;
2252
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 9 node->manifestations.at(manIdx).mangleSuffix = "." + std::to_string(manIdx);
2253
2254 // Check special requirements if this is an async lambda
2255
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 9 (void)checkAsyncLambdaCaptureRules(node, node->lambdaAttr);
2256
2257
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 9 return ExprResult{node->setEvaluatedSymbolType(functionType, manIdx)};
2258 13 }
2259
2260 28 std::any TypeChecker::visitLambdaProc(LambdaProcNode *node) {
2261 // Mark unreachable statements
2262 28 bool doSetPredecessorsUnreachable = true;
2263
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 28 node->returnsOnAllControlPaths(&doSetPredecessorsUnreachable);
2264
2265 // Change to function scope
2266
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 28 Scope *bodyScope = currentScope->getChildScope(node->getScopeId());
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 28 ScopeHandle scopeHandle(this, bodyScope, ScopeType::LAMBDA_BODY);
2268
2269 // Visit parameters
2270 28 QualTypeList paramTypes;
2271 28 ParamList paramList;
2272
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 28 if (node->hasParams) {
2273 // Visit param list to retrieve the param names
2274
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 7 auto namedParamList = std::any_cast<NamedParamList>(visit(node->paramLst));
2275
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 18 for (const auto &[_, qualType, isOptional] : namedParamList) {
2276
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 11 if (isOptional)
2277
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 2 softError(node, LAMBDA_WITH_OPTIONAL_PARAMS, "Lambdas cannot have optional parameters");
2278
2279
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 11 paramTypes.push_back(qualType);
2280
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 11 paramList.push_back({qualType, isOptional});
2281 }
2282 7 }
2283
2284 // Visit lambda body
2285
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 28 visit(node->body);
2286
2287 // Leave function body scope
2288
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 28 scopeHandle.leaveScopeEarly();
2289
2290 // Prepare type of function
2291
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 28 const QualType functionType = QualType(TY_PROCEDURE)
2292
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 28 .getWithFunctionParamAndReturnTypes(QualType(TY_DYN), paramTypes)
2293
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 28 .getWithLambdaCaptures(!bodyScope->symbolTable.captures.empty());
2294
2295 // Create function object
2296
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 28 const std::string fctName = "lambda." + node->codeLoc.toPrettyLineAndColumn();
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 28 node->manifestations.at(manIdx) = Function(fctName, nullptr, QualType(TY_DYN), QualType(TY_DYN), paramList, {}, node);
2298
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 28 node->manifestations.at(manIdx).bodyScope = bodyScope;
2299
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 28 node->manifestations.at(manIdx).mangleSuffix = "." + std::to_string(manIdx);
2300
2301 // Check special requirements if this is an async lambda
2302
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 28 (void)checkAsyncLambdaCaptureRules(node, node->lambdaAttr);
2303
2304
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 56 return ExprResult{node->setEvaluatedSymbolType(functionType, manIdx)};
2305 28 }
2306
2307 1 std::any TypeChecker::visitLambdaExpr(LambdaExprNode *node) {
2308 // Change to function scope
2309
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 1 Scope *bodyScope = currentScope->getChildScope(node->getScopeId());
2310
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 1 ScopeHandle scopeHandle(this, bodyScope, ScopeType::LAMBDA_BODY);
2311
2312 // Visit parameters
2313 1 QualTypeList paramTypes;
2314 1 ParamList paramList;
2315
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 1 if (node->hasParams) {
2316 // Visit param list to retrieve the param names
2317
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 1 auto namedParamList = std::any_cast<NamedParamList>(visit(node->paramLst));
2318
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 3 for (const NamedParam &param : namedParamList) {
2319
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 2 if (param.isOptional)
2320 ✗ softError(node, LAMBDA_WITH_OPTIONAL_PARAMS, "Lambdas cannot have optional parameters");
2321
2322
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 2 paramTypes.push_back(param.qualType);
2323
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 2 paramList.push_back({param.qualType, param.isOptional});
2324 }
2325 1 }
2326
2327 // Visit lambda expression
2328
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 1 const QualType returnType = std::any_cast<ExprResult>(visit(node->lambdaExpr)).type;
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 1 HANDLE_UNRESOLVED_TYPE_ER(returnType)
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 1 if (returnType.is(TY_DYN))
2331 ✗ SOFT_ERROR_ER(node, UNEXPECTED_DYN_TYPE, "Dyn return types are not allowed")
2332
2333 // Leave function body scope
2334
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 1 scopeHandle.leaveScopeEarly();
2335
2336 // Prepare type of function
2337
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 1 const SuperType superType = returnType.is(TY_DYN) ? TY_PROCEDURE : TY_FUNCTION;
2338
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 1 const QualType functionType = QualType(superType)
2339
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 1 .getWithFunctionParamAndReturnTypes(returnType, paramTypes)
2340
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 1 .getWithLambdaCaptures(!bodyScope->symbolTable.captures.empty());
2341
2342 // Create function object
2343
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 1 const std::string fctName = "lambda." + node->codeLoc.toPrettyLineAndColumn();
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 1 node->manifestations.at(manIdx) = Function(fctName, nullptr, QualType(TY_DYN), returnType, paramList, {}, node);
2345
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 1 node->manifestations.at(manIdx).bodyScope = bodyScope;
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 1 node->manifestations.at(manIdx).mangleSuffix = "." + std::to_string(manIdx);
2347
2348
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 1 return ExprResult{node->setEvaluatedSymbolType(functionType, manIdx)};
2349 1 }
2350
2351 48109 std::any TypeChecker::visitDataType(DataTypeNode *node) {
2352 // Visit base data type
2353
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 48109 auto type = std::any_cast<QualType>(visit(node->baseDataType));
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 48109 HANDLE_UNRESOLVED_TYPE_QT(type)
2355
2356
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 48106 std::queue<DataTypeNode::TypeModifier> tmQueue = node->tmQueue;
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 60180 while (!tmQueue.empty()) {
2358
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 12082 auto [modifierType, hasSize, hardcodedSize, sizeVarName] = tmQueue.front();
2359
2360 // Only the outermost array can have an unknown size
2361
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 12082 if (type.isArray() && type.getArraySize() == ARRAY_SIZE_UNKNOWN)
2362
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 6 SOFT_ERROR_QT(node, ARRAY_SIZE_INVALID,
2363 "Usage of incomplete array type. Only the outermost array type may have unknown size")
2364
2365
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 12080 switch (modifierType) {
2366 5239 case DataTypeNode::TypeModifierType::TYPE_PTR: {
2367
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 5239 type = type.toPtr(node);
2368 5237 break;
2369 }
2370 6703 case DataTypeNode::TypeModifierType::TYPE_REF: {
2371
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 6703 type = type.toRef(node);
2372 6703 break;
2373 }
2374 138 case DataTypeNode::TypeModifierType::TYPE_ARRAY: {
2375 138 const std::string &varName = sizeVarName;
2376
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 138 if (!varName.empty()) {
2377
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 35 const SymbolTableEntry *globalVar = rootScope->lookupStrict(varName);
2378
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 35 if (!globalVar)
2379
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 1 SOFT_ERROR_QT(node, REFERENCED_UNDEFINED_VARIABLE, "Could not find global variable '" + varName + "' ")
2380
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 34 if (!globalVar->getQualType().isConst())
2381
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 3 SOFT_ERROR_QT(node, EXPECTED_CONST_VARIABLE, "The size of the array must be known at compile time")
2382
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 33 if (!globalVar->getQualType().is(TY_INT))
2383
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 3 SOFT_ERROR_QT(node, OPERATOR_WRONG_DATA_TYPE, "Expected variable of type int")
2384
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 32 hardcodedSize = globalVar->declNode->getCompileTimeValue().intValue;
2385 }
2386
2387
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 135 if (hasSize && hardcodedSize <= 1)
2388 ✗ SOFT_ERROR_QT(node, ARRAY_SIZE_INVALID, "The size of an array must be > 1 and explicitly stated")
2389
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✓ Branch 1 (90→258) taken 1 times.
 135 type = type.toArr(node, hardcodedSize);
2390 134 break;
2391 }
2392 − default: // GCOV_EXCL_LINE
2393 − throw CompilerError(UNHANDLED_BRANCH, "Modifier type fall-through"); // GCOV_EXCL_LINE
2394 }
2395 12074 tmQueue.pop();
2396
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 12082 }
2397
2398 // Attach the qualifiers to the type
2399
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 48098 if (node->qualifierLst) {
2400
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 19600 const QualType baseType = type.getBase();
2401
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 41974 for (const QualifierNode *qualifier : node->qualifierLst->qualifiers) {
2402
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 22376 if (qualifier->type == QualifierNode::QualifierType::TY_CONST) {
2403 9247 type.getQualifiers().isConst = true;
2404
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 13129 } else if (qualifier->type == QualifierNode::QualifierType::TY_SIGNED) {
2405
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 2 if (!baseType.isOneOf({TY_INT, TY_LONG, TY_SHORT, TY_BYTE, TY_CHAR, TY_GENERIC}))
2406 ✗ SOFT_ERROR_QT(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on type " + baseType.getName(false))
2407 2 type.getQualifiers().isSigned = true;
2408 2 type.getQualifiers().isUnsigned = false;
2409
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 13127 } else if (qualifier->type == QualifierNode::QualifierType::TY_UNSIGNED) {
2410
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 9127 if (!baseType.isOneOf({TY_INT, TY_LONG, TY_SHORT, TY_BYTE, TY_CHAR, TY_GENERIC}))
2411 ✗ SOFT_ERROR_QT(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on type " + baseType.getName(false))
2412 9127 type.getQualifiers().isSigned = false;
2413 9127 type.getQualifiers().isUnsigned = true;
2414
2/2
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 4000 } else if (qualifier->type == QualifierNode::QualifierType::TY_HEAP) {
2415 // Heap variables can only be pointers
2416
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 3531 if (!type.removeReferenceWrapper().isOneOf({TY_PTR, TY_ARRAY, TY_STRING}))
2417
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 1 SOFT_ERROR_QT(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT,
2418 "The heap qualifier can only be applied to symbols of pointer type, you provided " +
2419 baseType.getName(false))
2420
2421 3530 type.getQualifiers().isHeap = true;
2422
3/4
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 469 } else if (qualifier->type == QualifierNode::QualifierType::TY_COMPOSITION && node->isFieldType) {
2423
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 7 if (!type.is(TY_STRUCT))
2424
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 3 SOFT_ERROR_QT(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "The compose qualifier can only be used on plain struct fields")
2425 6 type.getQualifiers().isComposition = true;
2426
4/6
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 462 } else if (qualifier->type == QualifierNode::QualifierType::TY_PUBLIC && (node->isFieldType || node->isGlobalType)) {
2427 462 type.getQualifiers().isPublic = true;
2428 } else {
2429 ✗ auto entryName = "local variable";
2430 ✗ if (node->isGlobalType)
2431 ✗ entryName = "global variable";
2432 ✗ else if (node->isFieldType)
2433 ✗ entryName = "field";
2434 ✗ else if (node->isParamType)
2435 ✗ entryName = "param";
2436 ✗ else if (node->isReturnType)
2437 ✗ entryName = "return variable";
2438 ✗ SOFT_ERROR_QT(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT,
2439 "Cannot use this qualifier on a " + std::string(entryName) + " definition")
2440 }
2441 }
2442 }
2443
2444
2/4
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 48096 return node->setEvaluatedSymbolType(type, manIdx);
2445 48106 }
2446
2447 48109 std::any TypeChecker::visitBaseDataType(BaseDataTypeNode *node) {
2448
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 48109 switch (node->type) {
2449 206 case BaseDataTypeNode::Type::TYPE_DOUBLE:
2450
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 206 return node->setEvaluatedSymbolType(QualType(TY_DOUBLE), manIdx);
2451 2712 case BaseDataTypeNode::Type::TYPE_INT:
2452
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 2712 return node->setEvaluatedSymbolType(QualType(TY_INT), manIdx);
2453 360 case BaseDataTypeNode::Type::TYPE_SHORT:
2454
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 360 return node->setEvaluatedSymbolType(QualType(TY_SHORT), manIdx);
2455 9995 case BaseDataTypeNode::Type::TYPE_LONG:
2456
3/6
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 9995 return node->setEvaluatedSymbolType(QualType(TY_LONG), manIdx);
2457 1875 case BaseDataTypeNode::Type::TYPE_BYTE:
2458
3/6
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 1875 return node->setEvaluatedSymbolType(QualType(TY_BYTE), manIdx);
2459 6776 case BaseDataTypeNode::Type::TYPE_CHAR:
2460
3/6
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 6776 return node->setEvaluatedSymbolType(QualType(TY_CHAR), manIdx);
2461 6236 case BaseDataTypeNode::Type::TYPE_STRING:
2462
3/6
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 6236 return node->setEvaluatedSymbolType(QualType(TY_STRING), manIdx);
2463 3271 case BaseDataTypeNode::Type::TYPE_BOOL:
2464
3/6
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 3271 return node->setEvaluatedSymbolType(QualType(TY_BOOL), manIdx);
2465 16159 case BaseDataTypeNode::Type::TYPE_CUSTOM: {
2466
2/4
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 16159 const auto customType = std::any_cast<QualType>(visit(node->customDataType));
2467
4/6
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 16159 HANDLE_UNRESOLVED_TYPE_QT(customType)
2468
2/4
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 16156 return node->setEvaluatedSymbolType(customType, manIdx);
2469 }
2470 156 case BaseDataTypeNode::Type::TYPE_FUNCTION: {
2471
2/4
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 156 const auto functionType = std::any_cast<QualType>(visit(node->functionDataType));
2472
2/6
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 156 HANDLE_UNRESOLVED_TYPE_QT(functionType)
2473
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 156 return node->setEvaluatedSymbolType(functionType, manIdx);
2474 }
2475 363 default:
2476
3/6
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 363 return node->setEvaluatedSymbolType(QualType(TY_DYN), manIdx);
2477 }
2478 }
2479
2480 16159 std::any TypeChecker::visitCustomDataType(CustomDataTypeNode *node) {
2481 // It is a struct type -> get the access scope
2482
2/2
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 16159 Scope *localAccessScope = accessScope ? accessScope : currentScope;
2483
2484
1/2
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 16159 const std::string firstFragment = node->typeNameFragments.front();
2485
2486 // Check this type requires a runtime module
2487
2/2
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 16159 if (node->typeNameFragments.size() == 1)
2488
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 64532 for (const auto &[typeName, runtimeModule] : TYPE_NAME_TO_RT_MODULE_MAPPING)
2489
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 48399 if (firstFragment == typeName && !sourceFile->isRT(runtimeModule))
2490
1/2
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✗ Branch 1 (21→212) not taken.
 1055 sourceFile->requestRuntimeModule(runtimeModule);
2491
2492 // Check if it is a generic type
2493 16159 bool isImported = node->typeNameFragments.size() > 1;
2494
1/2
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 16159 const QualType *genericType = rootScope->lookupGenericType(firstFragment);
2495
4/4
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 16159 if (!isImported && genericType) {
2496 // Take the concrete replacement type for the name of this generic type if available
2497 7203 QualType symbolType = *genericType;
2498
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 7203 if (typeMapping.contains(firstFragment))
2499
1/2
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 1777 symbolType = typeMapping.at(firstFragment);
2500
2501 // Check if the replacement is a String type
2502
9/12
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 7390 if (!isImported && symbolType.isStringObj() && !sourceFile->isStringRT())
2503
1/2
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 166 sourceFile->requestRuntimeModule(STRING_RT);
2504
2505
2/4
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 7203 return node->setEvaluatedSymbolType(symbolType, manIdx);
2506 }
2507
2508 // Check if the type exists in the exported names registry
2509
1/2
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 8956 const NameRegistryEntry *registryEntry = sourceFile->getNameRegistryEntry(node->fqTypeName);
2510
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 8956 if (!registryEntry)
2511
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 2 SOFT_ERROR_QT(node, UNKNOWN_DATATYPE, "Unknown datatype '" + node->fqTypeName + "'")
2512
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 8954 assert(registryEntry->targetEntry != nullptr && registryEntry->targetScope != nullptr);
2513 8954 SymbolTableEntry *entry = registryEntry->targetEntry;
2514
1/2
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✓ Branch 1 (64→66) taken 8954 times.
 8954 assert(entry != nullptr);
2515 8954 entry->used = true;
2516 8954 localAccessScope = registryEntry->targetScope->parent;
2517
2518 // Get struct type
2519
1/2
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 8954 QualType entryType = entry->getQualType();
2520
2521 // Enums can early-return
2522
3/4
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 8954 if (entryType.is(TY_ENUM))
2523
2/4
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 224 return QualType(TY_INT);
2524
2525
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 8842 if (entryType.isOneOf({TY_STRUCT, TY_INTERFACE})) {
2526
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 7992 assert(dynamic_cast<DataTypeNode *>(node->parent->parent) != nullptr);
2527
2528 // Collect the concrete template types
2529 7992 bool allTemplateTypesConcrete = true;
2530 7992 QualTypeList templateTypes;
2531
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 7992 if (node->templateTypeLst) {
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 1919 assert(localAccessScope != nullptr);
2533
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 1919 isImported = localAccessScope->isImportedBy(rootScope);
2534
2535
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 1919 templateTypes.reserve(node->templateTypeLst->dataTypes.size());
2536
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 4421 for (DataTypeNode *dataType : node->templateTypeLst->dataTypes) {
2537
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 2502 auto templateType = std::any_cast<QualType>(visit(dataType));
2538
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 2502 HANDLE_UNRESOLVED_TYPE_QT(templateType)
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 2502 if (entryType.is(TY_GENERIC)) {
2540 ✗ allTemplateTypesConcrete = false;
2541
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 2502 } else if (isImported) {
2542 // Introduce the local type to the imported source file
2543
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 908 [[maybe_unused]] QualType importedType = mapLocalTypeToImportedScopeType(localAccessScope, templateType);
2544
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 908 assert(importedType.is(templateType.getSuperType()));
2545 }
2546
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 2502 templateTypes.push_back(templateType);
2547 }
2548
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 1919 entryType = entryType.getWithTemplateTypes(templateTypes);
2549 }
2550
2551 // Check if struct is defined before the current code location, if defined in the same source file
2552 7992 const CodeLoc &declCodeLoc = entry->declNode->codeLoc;
2553 7992 const CodeLoc &codeLoc = node->codeLoc;
2554
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 14201 if (declCodeLoc.sourceFile->filePath == codeLoc.sourceFile->filePath && declCodeLoc > codeLoc) {
2555
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 1 if (entryType.is(TY_STRUCT)) {
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 3 SOFT_ERROR_QT(node, REFERENCED_UNDEFINED_STRUCT, "Structs must be defined before usage")
2557 } else {
2558 ✗ assert(entryType.is(TY_INTERFACE));
2559 ✗ SOFT_ERROR_QT(node, REFERENCED_UNDEFINED_INTERFACE, "Interfaces must be defined before usage")
2560 }
2561 }
2562
2563
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 7991 if (allTemplateTypesConcrete) { // Only do the next step, if we have concrete template types
2564 // Set the struct/interface instance to used, if found
2565 // Here, it is allowed to accept, that the struct/interface cannot be found, because there are self-referencing ones
2566
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 7991 if (entryType.is(TY_STRUCT)) {
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 7853 const std::string structName = node->typeNameFragments.back();
2568
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 7853 if (Struct *spiceStruct = StructManager::match(localAccessScope, structName, templateTypes, node))
2569
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 7819 entryType = entryType.getWithBodyScope(spiceStruct->scope);
2570 7853 } else {
2571
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 138 assert(entryType.is(TY_INTERFACE));
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 138 const std::string interfaceName = node->typeNameFragments.back();
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 138 if (const Interface *spiceInterface = InterfaceManager::match(localAccessScope, interfaceName, templateTypes, node))
2574
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 138 entryType = entryType.getWithBodyScope(spiceInterface->scope);
2575 138 }
2576 }
2577
2578
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 7991 return node->setEvaluatedSymbolType(entryType, manIdx);
2579 7992 }
2580
2581
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 850 if (entryType.is(TY_ALIAS)) {
2582 // Get type of aliased type container entry
2583
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 850 const std::string aliasedContainerEntryName = entry->name + ALIAS_CONTAINER_SUFFIX;
2584
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 850 SymbolTableEntry *aliasedTypeContainerEntry = entry->scope->lookupStrict(aliasedContainerEntryName);
2585
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 850 assert(aliasedTypeContainerEntry != nullptr);
2586
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 850 return node->setEvaluatedSymbolType(aliasedTypeContainerEntry->getQualType(), manIdx);
2587 850 }
2588
2589 ✗ const bool isInvalid = entryType.is(TY_INVALID);
2590 ✗ SOFT_ERROR_QT(node, EXPECTED_TYPE, isInvalid ? "Used type before declared" : "Expected type, but got " + entryType.getName())
2591 16159 }
2592
2593 156 std::any TypeChecker::visitFunctionDataType(FunctionDataTypeNode *node) {
2594 // Visit return type
2595
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 156 QualType returnType(TY_DYN);
2596
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 156 if (node->isFunction) {
2597
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 29 returnType = std::any_cast<QualType>(visit(node->returnType));
2598
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 29 HANDLE_UNRESOLVED_TYPE_QT(returnType)
2599
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 29 if (returnType.is(TY_DYN))
2600 ✗ SOFT_ERROR_ER(node->returnType, UNEXPECTED_DYN_TYPE, "Function types cannot have return type dyn")
2601 }
2602
2603 // Visit param types
2604 156 QualTypeList paramTypes;
2605
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 156 if (const TypeLstNode *paramTypeListNode = node->paramTypeLst; paramTypeListNode != nullptr) {
2606
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 235 for (DataTypeNode *paramTypeNode : paramTypeListNode->dataTypes) {
2607
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 124 auto paramType = std::any_cast<QualType>(visit(paramTypeNode));
2608
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 124 HANDLE_UNRESOLVED_TYPE_QT(returnType)
2609
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 124 paramTypes.push_back(paramType);
2610 }
2611 }
2612
2613 // Build function type
2614
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 156 const SuperType superType = node->isFunction ? TY_FUNCTION : TY_PROCEDURE;
2615
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 156 const QualType functionType = QualType(superType).getWithFunctionParamAndReturnTypes(returnType, paramTypes);
2616
2617
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 156 return node->setEvaluatedSymbolType(functionType, manIdx);
2618 156 }
2619
2620 /**
2621 * Check if the capture rules for async lambdas are enforced if the async attribute is set
2622 *
2623 * Only one capture with pointer type, pass-by-val is allowed, since only then we can store it in the second field of the
2624 * fat pointer and can ensure, that no stack variable is referenced inside the lambda.
2625 *
2626 * @param node Lambda base node
2627 * @param attrs Lambda attributes
2628 * @return False if the rules are violated, true otherwise
2629 */
2630 37 bool TypeChecker::checkAsyncLambdaCaptureRules(const LambdaBaseNode *node, const LambdaAttrNode *attrs) const {
2631 // If the async attribute is not set, we can return early
2632
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 101 if (!attrs || !attrs->attrLst->hasAttr(ATTR_ASYNC) || !attrs->attrLst->getAttrValueByName(ATTR_ASYNC)->boolValue)
2633 21 return true; // Not violated
2634
2635 // If we don't have any captures, we can return early
2636 16 const CaptureMap &captures = node->bodyScope->symbolTable.captures;
2637
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 16 if (captures.empty())
2638 10 return true; // Not violated
2639
2640 // Check for the capture rules
2641 6 if (const Capture &capture = captures.begin()->second;
2642
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 6 captures.size() > 1 || !capture.capturedSymbol->getQualType().isPtr() || capture.getMode() != BY_VALUE) {
2643 5 const auto warningMessage =
2644 "Async lambdas can only capture one pointer by value without storing captures in the caller stack frame, which can lead "
2645 "to bugs due to references, outliving the validity scope of the referenced variable.";
2646
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 5 const CompilerWarning warning(node->codeLoc, ASYNC_LAMBDA_CAPTURE_RULE_VIOLATION, warningMessage);
2647
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 5 currentScope->sourceFile->compilerOutput.warnings.push_back(warning);
2648 5 }
2649
2650 6 return false; // Violated
2651 }
2652
2653 32 Function *TypeChecker::matchCopyCtor(const QualType &thisType, const ASTNode *node) {
2654
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 32 Scope *matchScope = thisType.getBodyScope();
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 32 assert(matchScope != nullptr);
2656
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 64 const ArgList args = {{thisType.toConstRef(node), false}};
2657
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 128 return FunctionManager::match(this, matchScope, CTOR_FUNCTION_NAME, thisType, args, {}, true, node);
2658 32 }
2659
2660 109632 QualType TypeChecker::mapLocalTypeToImportedScopeType(const Scope *targetScope, const QualType &symbolType) const {
2661 // Skip all types, except structs
2662
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 109632 if (!symbolType.isBase(TY_STRUCT))
2663 98798 return symbolType;
2664
2665 // If the target scope is in the current source file, we can return the symbol type as is
2666 10834 SourceFile *targetSourceFile = targetScope->sourceFile;
2667
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 10834 if (targetSourceFile == sourceFile)
2668 4820 return symbolType;
2669
2670 // Match the scope of the symbol type against all scopes in the name registry of the target source file
2671
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 265149 for (const auto &entry : targetSourceFile->exportedNameRegistry | std::views::values)
2672
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 264936 if (entry.targetEntry != nullptr && entry.targetEntry->getQualType().isBase(TY_STRUCT))
2673
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 50664 for (const Struct *manifestation : *entry.targetEntry->declNode->getStructManifestations())
2674
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 38236 if (manifestation->scope == symbolType.getBase().getBodyScope())
2675 5801 return symbolType;
2676
2677 // The target source file does not know about the struct at all
2678 // -> show it how to find the struct
2679
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 213 const std::string structName = symbolType.getBase().getSubType();
2680
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 213 const NameRegistryEntry *origRegistryEntry = sourceFile->getNameRegistryEntry(structName);
2681
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 213 assert(origRegistryEntry != nullptr);
2682 213 const uint64_t targetTypeId = origRegistryEntry->typeId;
2683 213 SymbolTableEntry *targetEntry = origRegistryEntry->targetEntry;
2684
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 213 targetSourceFile->addNameRegistryEntry(structName, targetTypeId, targetEntry, origRegistryEntry->targetScope, false);
2685
2686 213 return symbolType;
2687 213 }
2688
2689 3744 QualType TypeChecker::mapImportedScopeTypeToLocalType(const Scope *sourceScope, const QualType &symbolType) const {
2690 // Skip all types, except structs
2691
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 3744 if (!symbolType.isBase(TY_STRUCT))
2692 488 return symbolType;
2693
2694 // If the source scope is in the current source file, we can return the symbol type as is
2695 3256 const SourceFile *sourceSourceFile = sourceScope->sourceFile;
2696
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 3256 if (sourceSourceFile == sourceFile)
2697 1114 return symbolType;
2698
2699 // Match the scope of the symbol type against all scopes in the name registry of this source file
2700
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 2142 const QualType baseType = symbolType.getBase();
2701
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 116367 for (const auto &entry : sourceFile->exportedNameRegistry | std::views::values)
2702
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 116323 if (entry.targetEntry != nullptr && entry.targetEntry->getQualType().isBase(TY_STRUCT))
2703
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 20522 for (const Struct *manifestation : *entry.targetEntry->declNode->getStructManifestations())
2704
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 15656 if (manifestation->scope == baseType.getBodyScope())
2705 2098 return symbolType;
2706
2707 // This source file does not know about the struct at all
2708 // -> show it how to find the struct
2709
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 44 const NameRegistryEntry *origRegistryEntry = sourceSourceFile->getNameRegistryEntry(baseType.getSubType());
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 44 assert(origRegistryEntry != nullptr);
2711 44 const uint64_t typeId = origRegistryEntry->typeId;
2712 44 SymbolTableEntry *targetEntry = origRegistryEntry->targetEntry;
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 44 sourceFile->addNameRegistryEntry(baseType.getSubType(), typeId, targetEntry, origRegistryEntry->targetScope, false);
2714
2715 44 return symbolType;
2716 }
2717
2718 /**
2719 * Auto-dereference the given symbol type.
2720 * This process is NOT equivalent with getBase() because getBase() also removes e.g. array wrappers
2721 *
2722 * @param symbolType Input symbol type
2723 */
2724 19489 void TypeChecker::autoDeReference(QualType &symbolType) {
2725
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 36035 while (symbolType.isPtr() || symbolType.isRef())
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 16546 symbolType = symbolType.getContained();
2727 19489 }
2728
2729 /**
2730 * Returns the operator function list for the current manifestation and the given node
2731 *
2732 * @param node Node to retrieve the op fct pointer list from
2733 * @return Op fct pointer list
2734 */
2735 743 std::vector<const Function *> &TypeChecker::getOpFctPointers(ASTNode *node) const {
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 743 assert(node->getOpFctPointers()->size() > manIdx);
2737 743 return node->getOpFctPointers()->at(manIdx);
2738 }
2739
2740 /**
2741 * Check if a function has been type-checked already. If not, request a revisit
2742 *
2743 * @param fct Function to check
2744 */
2745 20675 void TypeChecker::requestRevisitIfRequired(const Function *fct) {
2746
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 20675 if (fct && !fct->alreadyTypeChecked)
2747 11320 fct->entry->scope->sourceFile->reVisitRequested = true;
2748 20675 }
2749
2750 /**
2751 * Add a soft error to the error list
2752 */
2753 25 void TypeChecker::softError(const ASTNode *node, const SemanticErrorType errorType, const std::string &message) const {
2754 25 resourceManager.errorManager.addSoftError(node, errorType, message);
2755 25 }
2756
2757 } // namespace spice::compiler
2758